COIN5L2
FILE INFORMATION
FILENAME(S): COIN5L2
FILE TYPE(S): PRG
FILE SIZE: 6.1K
FIRST SEEN: 2025-10-19 22:48:55
APPEARS ON: 1 disk(s)
FILE HASH
91689d232c823a903ce8e61d1958a946398ff640e454c3f37184ea51db01c641
FOUND ON DISKS (1 DISKS)
| DISK TITLE | FILENAME | FILE TYPE | COLLECTION | TRACK | SECTOR | ACTIONS |
|---|---|---|---|---|---|---|
| HHM 100785 44S1 | COIN5L2 | PRG | Radd Maxx | 13 | 3 | DOWNLOAD FILE |
FILE CONTENT & ANALYSIS
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00000A90: 69 6E 74 65 72 65 73 74 26 71 20 26 71 54 68 65 |interest&q &qThe|
00000AA0: 20 74 6F 74 61 6C 20 69 6E 74 65 72 65 73 74 20 | total interest |
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00000AD0: 65 79 20 64 69 64 20 68 65 20 69 6E 76 65 73 74 |ey did he invest|
00000AE0: 20 69 6E 20 65 61 63 68 20 61 63 63 6F 75 6E 74 | in each account|
00000AF0: 26 68 00 2E 30 37 00 2E 30 37 00 2E 30 37 00 2E |&h..07..07..07..|
00000B00: 30 37 35 00 63 34 00 2E 30 37 35 00 2E 30 37 35 |075.c4..075..075|
00000B10: 00 54 68 65 20 74 6F 74 61 6C 20 69 6E 74 65 72 |.The total inter|
00000B20: 65 73 74 20 65 61 72 6E 65 64 20 77 61 73 20 24 |est earned was $|
00000B30: 31 32 31 00 54 68 65 20 74 6F 74 61 6C 20 65 61 |121.The total ea|
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00000B50: 27 20 64 6F 6C 6C 61 72 73 00 31 32 31 00 31 73 |' dollars.121.1s|
00000B60: 74 00 31 73 74 20 61 63 63 6F 75 6E 74 00 39 00 |t.1st account.9.|
00000B70: 32 6E 64 00 48 65 20 69 6E 76 65 73 74 65 64 20 |2nd.He invested |
00000B80: 26 68 74 77 69 63 65 20 61 73 20 6D 75 63 68 20 |&htwice as much |
00000B90: 61 74 20 37 2E 35 25 20 69 6E 74 65 72 65 73 74 |at 7.5% interest|
00000BA0: 26 68 20 61 73 20 68 65 20 68 61 64 20 61 74 20 |&h as he had at |
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00000BE0: 6E 74 20 69 73 20 60 32 26 76 27 00 31 30 00 32 |nt is `2&v'.10.2|
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00000C00: 2E 30 37 35 00 32 26 76 00 2E 31 35 26 76 00 60 |.075.2&v..15&v.`|
00000C10: 20 2E 30 37 26 76 20 20 20 20 5C 66 31 33 2B 20 | .07&v \f13+ |
00000C20: 20 20 2E 31 35 26 76 20 20 20 20 5C 66 32 36 3D | .15&v \f26=|
00000C30: 20 20 31 32 31 20 27 00 2E 30 37 26 76 2B 2E 31 | 121 '..07&v+.1|
00000C40: 35 26 76 20 3D 20 31 32 31 00 35 35 30 00 48 6F |5&v = 121.550.Ho|
00000C50: 77 20 6D 75 63 68 20 6D 6F 6E 65 79 20 64 69 64 |w much money did|
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00000C70: 63 68 20 61 63 63 6F 75 6E 74 00 31 73 74 20 61 |ch account.1st a|
00000C80: 63 63 6F 75 6E 74 00 26 76 20 3D 20 60 35 35 30 |ccount.&v = `550|
00000C90: 27 00 39 00 35 35 30 00 32 6E 64 20 61 63 63 6F |'.9.550.2nd acco|
00000CA0: 75 6E 74 20 69 73 20 74 68 65 20 76 61 6C 75 65 |unt is the value|
00000CB0: 20 6F 66 20 22 32 26 76 22 00 32 26 76 20 3D 20 | of "2&v".2&v = |
00000CC0: 32 2A 35 35 30 20 3D 20 60 31 31 30 30 27 00 31 |2*550 = `1100'.1|
00000CD0: 30 00 31 31 30 30 00 26 76 20 3D 20 35 35 30 2C |0.1100.&v = 550,|
00000CE0: 20 73 6F 20 2E 30 37 26 76 20 3D 20 2E 30 37 2A | so .07&v = .07*|
00000CF0: 35 35 30 20 3D 20 60 33 38 2E 35 27 2E 20 24 33 |550 = `38.5'. $3|
00000D00: 38 2E 35 30 20 69 73 20 74 68 65 20 69 6E 74 65 |8.50 is the inte|
00000D10: 72 65 73 74 20 65 61 72 6E 65 64 20 69 6E 20 74 |rest earned in t|
00000D20: 68 65 20 31 73 74 20 61 63 63 6F 75 6E 74 00 33 |he 1st account.3|
00000D30: 38 2E 35 00 26 76 20 3D 20 35 35 30 2C 20 73 6F |8.5.&v = 550, so|
00000D40: 20 2E 31 35 2A 26 76 3D 2E 31 35 2A 35 35 30 20 | .15*&v=.15*550 |
00000D50: 3D 20 60 38 32 2E 35 27 2E 20 24 38 32 2E 35 30 |= `82.5'. $82.50|
00000D60: 20 69 73 20 74 68 65 20 69 6E 74 65 72 65 73 74 | is the interest|
00000D70: 20 65 61 72 6E 65 64 20 69 6E 20 74 68 65 20 32 | earned in the 2|
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00000D90: 40 66 45 6C 6C 65 6E 20 69 6E 76 65 73 74 65 64 |@fEllen invested|
00000DA0: 20 73 6F 6D 65 20 6D 6F 6E 65 79 20 61 74 20 38 | some money at 8|
00000DB0: 25 20 69 6E 74 65 72 65 73 74 20 61 6E 64 20 74 |% interest and t|
00000DC0: 77 69 63 65 20 61 73 20 6D 75 63 68 20 61 74 20 |wice as much at |
00000DD0: 31 30 25 20 69 6E 74 65 72 65 73 74 2E 20 54 68 |10% interest. Th|
00000DE0: 65 20 74 6F 74 61 6C 20 69 6E 74 65 72 65 73 74 |e total interest|
00000DF0: 20 65 61 72 6E 65 64 20 77 61 73 20 24 37 30 30 | earned was $700|
00000E00: 2E 20 48 6F 77 20 6D 75 63 68 20 77 61 73 20 69 |. How much was i|
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00000E20: 72 61 74 65 3F 00 26 71 54 68 65 20 74 6F 74 61 |rate?.&qThe tota|
00000E30: 6C 20 69 6E 74 65 72 65 73 74 20 65 61 72 6E 65 |l interest earne|
00000E40: 64 20 77 61 73 20 24 37 30 30 26 71 00 26 68 48 |d was $700&q.&hH|
00000E50: 6F 77 20 6D 75 63 68 20 77 61 73 20 69 6E 76 65 |ow much was inve|
00000E60: 73 74 65 64 20 61 74 20 65 61 63 68 20 72 61 74 |sted at each rat|
00000E70: 65 26 68 00 2E 30 38 00 2E 30 38 00 2E 30 38 00 |e&h..08..08..08.|
00000E80: 2E 31 30 00 63 32 00 2E 31 00 2E 31 00 54 68 65 |.10.c2..1..1.The|
00000E90: 20 74 6F 74 61 6C 20 69 6E 74 65 72 65 73 74 20 | total interest |
00000EA0: 65 61 72 6E 65 64 20 77 61 73 20 24 37 30 30 00 |earned was $700.|
00000EB0: 54 68 65 20 74 6F 74 61 6C 20 69 6E 74 65 72 65 |The total intere|
00000EC0: 73 74 20 77 61 73 20 60 37 30 30 27 20 64 6F 6C |st was `700' dol|
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00000EF0: 68 65 20 69 6E 76 65 73 74 65 64 20 26 68 74 77 |he invested &htw|
00000F00: 69 63 65 20 61 73 20 6D 75 63 68 20 61 74 20 31 |ice as much at 1|
00000F10: 30 25 20 69 6E 74 65 72 65 73 74 26 68 20 61 73 |0% interest&h as|
00000F20: 20 73 68 65 20 69 6E 76 65 73 74 65 64 20 61 74 | she invested at|
00000F30: 20 38 25 00 60 32 26 76 27 20 72 65 70 72 65 73 | 8%.`2&v' repres|
00000F40: 65 6E 74 73 20 68 65 72 20 73 65 63 6F 6E 64 20 |ents her second |
00000F50: 69 6E 76 65 73 74 6D 65 6E 74 00 31 30 00 32 26 |investment.10.2&|
00000F60: 76 00 2E 30 38 00 26 76 00 2E 30 38 26 76 00 2E |v..08.&v..08&v..|
00000F70: 31 00 32 26 76 00 2E 32 26 76 00 60 20 2E 30 38 |1.2&v..2&v.` .08|
00000F80: 26 76 20 20 20 20 5C 66 31 33 2B 20 20 20 20 2E |&v \f13+ .|
00000F90: 32 26 76 20 20 20 20 5C 66 32 36 3D 20 20 37 30 |2&v \f26= 70|
00000FA0: 30 27 00 2E 30 38 26 76 2B 2E 32 26 76 3D 37 30 |0'..08&v+.2&v=70|
00000FB0: 30 00 32 35 30 30 00 48 6F 77 20 6D 75 63 68 20 |0.2500.How much |
00000FC0: 6D 6F 6E 65 79 20 77 61 73 20 69 6E 76 65 73 74 |money was invest|
00000FD0: 65 64 20 61 74 20 65 61 63 68 20 72 61 74 65 00 |ed at each rate.|
00000FE0: 31 73 74 20 61 63 63 6F 75 6E 74 00 26 76 20 3D |1st account.&v =|
00000FF0: 20 60 32 35 30 30 27 00 39 00 32 35 30 30 00 32 | `2500'.9.2500.2|
00001000: 6E 64 20 61 63 63 6F 75 6E 74 20 69 73 20 74 68 |nd account is th|
00001010: 65 20 76 61 6C 75 65 20 6F 66 20 22 32 26 76 22 |e value of "2&v"|
00001020: 00 32 26 76 20 3D 20 32 2A 32 35 30 30 20 3D 20 |.2&v = 2*2500 = |
00001030: 60 35 30 30 30 27 00 31 30 00 35 30 30 30 00 2E |`5000'.10.5000..|
00001040: 30 38 2A 26 76 20 3D 20 2E 30 38 2A 32 35 30 30 |08*&v = .08*2500|
00001050: 20 3D 20 32 30 30 2E 20 53 6F 2C 20 60 32 30 30 | = 200. So, `200|
00001060: 27 20 64 6F 6C 6C 61 72 73 20 69 73 20 74 68 65 |' dollars is the|
00001070: 20 69 6E 74 65 72 65 73 74 20 65 61 72 6E 65 64 | interest earned|
00001080: 20 69 6E 20 74 68 65 20 31 73 74 20 61 63 63 6F | in the 1st acco|
00001090: 75 6E 74 00 32 30 30 00 2E 32 26 76 20 3D 20 2E |unt.200..2&v = .|
000010A0: 32 2A 32 35 30 30 20 3D 20 35 30 30 2E 20 53 6F |2*2500 = 500. So|
000010B0: 2C 20 60 35 30 30 27 20 64 6F 6C 6C 61 72 73 20 |, `500' dollars |
000010C0: 69 73 20 74 68 65 20 69 6E 74 65 72 65 73 74 20 |is the interest |
000010D0: 65 61 72 6E 65 64 20 6F 6E 20 74 68 65 20 32 6E |earned on the 2n|
000010E0: 64 20 61 63 63 6F 75 6E 74 2E 00 35 30 30 00 40 |d account..500.@|
000010F0: 66 4D 72 2E 20 52 65 65 64 20 69 6E 76 65 73 74 |fMr. Reed invest|
00001100: 65 64 20 36 30 30 20 64 6F 6C 6C 61 72 73 20 6D |ed 600 dollars m|
00001110: 6F 72 65 20 69 6E 20 61 20 36 25 20 61 63 63 6F |ore in a 6% acco|
00001120: 75 6E 74 20 74 68 61 6E 20 68 65 20 69 6E 76 65 |unt than he inve|
00001130: 73 74 65 64 20 69 6E 20 61 20 35 2E 35 25 20 61 |sted in a 5.5% a|
00001140: 63 63 6F 75 6E 74 2E 20 49 66 20 74 68 65 20 74 |ccount. If the t|
00001150: 6F 74 61 6C 20 69 6E 74 65 72 65 73 74 20 65 61 |otal interest ea|
00001160: 72 6E 65 64 20 77 61 73 20 24 31 31 36 2E 35 30 |rned was $116.50|
00001170: 2C 20 68 6F 77 20 6D 75 63 68 20 6D 6F 6E 65 79 |, how much money|
00001180: 20 64 69 64 20 68 65 20 70 6C 61 63 65 20 69 6E | did he place in|
00001190: 20 65 61 63 68 20 61 63 63 6F 75 6E 74 3F 00 26 | each account?.&|
000011A0: 71 49 6E 76 65 73 74 65 64 20 36 30 30 20 64 6F |qInvested 600 do|
000011B0: 6C 6C 61 72 73 20 6D 6F 72 65 20 69 6E 20 61 20 |llars more in a |
000011C0: 36 25 20 61 63 63 6F 75 6E 74 20 74 68 61 6E 20 |6% account than |
000011D0: 68 65 20 69 6E 76 65 73 74 65 64 20 69 6E 20 61 |he invested in a|
000011E0: 20 35 2E 35 25 20 61 63 63 6F 75 6E 74 26 71 20 | 5.5% account&q |
000011F0: 26 71 54 68 65 20 74 6F 74 61 6C 20 69 6E 74 65 |&qThe total inte|
00001200: 72 65 73 74 20 65 61 72 6E 65 64 20 77 61 73 20 |rest earned was |
00001210: 24 31 31 36 2E 35 30 26 71 00 26 68 48 6F 77 20 |$116.50&q.&hHow |
00001220: 6D 75 63 68 20 6D 6F 6E 65 79 20 64 69 64 20 68 |much money did h|
00001230: 65 20 70 6C 61 63 65 20 69 6E 20 65 61 63 68 20 |e place in each |
00001240: 61 63 63 6F 75 6E 74 26 68 00 2E 30 36 00 2E 30 |account&h..06..0|
00001250: 36 00 2E 30 36 00 2E 30 35 35 00 63 34 00 2E 30 |6..06..055.c4..0|
00001260: 35 35 00 2E 30 35 35 00 54 68 65 20 74 6F 74 61 |55..055.The tota|
00001270: 6C 20 69 6E 74 65 72 65 73 74 20 65 61 72 6E 65 |l interest earne|
00001280: 64 20 77 61 73 20 24 31 31 36 2E 35 30 00 54 68 |d was $116.50.Th|
00001290: 65 20 74 6F 74 61 6C 20 65 61 72 6E 69 6E 67 73 |e total earnings|
000012A0: 20 77 65 72 65 20 60 31 31 36 2E 35 30 27 00 31 | were `116.50'.1|
000012B0: 31 36 2E 35 00 35 2E 35 25 20 61 63 63 6F 75 6E |16.5.5.5% accoun|
000012C0: 74 00 35 2E 35 25 20 61 63 63 6F 75 6E 74 00 31 |t.5.5% account.1|
000012D0: 30 00 36 25 00 48 65 20 70 75 74 20 26 68 36 30 |0.6%.He put &h60|
000012E0: 30 20 64 6F 6C 6C 61 72 73 20 6D 6F 72 65 20 69 |0 dollars more i|
000012F0: 6E 20 61 20 36 25 20 61 63 63 6F 75 6E 74 26 68 |n a 6% account&h|
00001300: 20 74 68 61 6E 20 69 6E 20 74 68 65 20 35 2E 35 | than in the 5.5|
00001310: 25 20 61 63 63 6F 75 6E 74 00 54 68 65 20 61 6D |% account.The am|
00001320: 6F 75 6E 74 20 6F 66 20 6D 6F 6E 65 79 20 69 6E |ount of money in|
00001330: 20 74 68 65 20 31 73 74 20 61 63 63 6F 75 6E 74 | the 1st account|
00001340: 20 69 73 20 60 26 76 2B 36 30 30 27 00 39 00 26 | is `&v+600'.9.&|
00001350: 76 2B 36 30 30 00 2E 30 36 00 26 76 2B 36 30 30 |v+600..06.&v+600|
00001360: 00 2E 30 36 28 26 76 2B 36 30 30 29 00 2E 30 35 |..06(&v+600)..05|
00001370: 35 00 26 76 00 2E 30 35 35 26 76 00 60 2E 30 36 |5.&v..055&v.`.06|
00001380: 28 26 76 2B 36 30 30 29 5C 66 31 33 2B 2E 30 35 |(&v+600)\f13+.05|
00001390: 35 28 26 76 29 20 20 5C 66 32 36 3D 20 31 31 36 |5(&v) \f26= 116|
000013A0: 2E 35 27 00 2E 30 36 28 26 76 2B 36 30 30 29 2B |.5'..06(&v+600)+|
000013B0: 2E 30 35 35 26 76 20 3D 20 31 31 36 2E 35 00 37 |.055&v = 116.5.7|
000013C0: 30 30 00 48 6F 77 20 6D 75 63 68 20 6D 6F 6E 65 |00.How much mone|
000013D0: 79 20 64 69 64 20 68 65 20 70 6C 61 63 65 20 69 |y did he place i|
000013E0: 6E 20 65 61 63 68 20 61 63 63 6F 75 6E 74 00 32 |n each account.2|
000013F0: 6E 64 00 26 76 20 3D 20 60 37 30 30 27 00 31 30 |nd.&v = `700'.10|
00001400: 00 37 30 30 00 31 73 74 20 61 63 63 6F 75 6E 74 |.700.1st account|
00001410: 20 69 73 20 74 68 65 20 76 61 6C 75 65 20 6F 66 | is the value of|
00001420: 20 26 76 2B 36 30 30 00 26 76 2B 36 30 30 20 3D | &v+600.&v+600 =|
00001430: 20 60 31 33 30 30 27 00 39 00 31 33 30 30 00 2E | `1300'.9.1300..|
00001440: 30 36 28 26 76 2B 36 30 30 29 20 3D 20 2E 30 36 |06(&v+600) = .06|
00001450: 2A 31 33 30 30 20 3D 20 37 38 2E 20 53 6F 20 60 |*1300 = 78. So `|
00001460: 37 38 2E 30 30 27 20 64 6F 6C 6C 61 72 73 20 69 |78.00' dollars i|
00001470: 73 20 74 68 65 20 69 6E 74 65 72 65 73 74 20 65 |s the interest e|
00001480: 61 72 6E 65 64 20 69 6E 20 74 68 65 20 66 69 72 |arned in the fir|
00001490: 73 74 20 61 63 63 6F 75 6E 74 00 37 38 00 2E 30 |st account.78..0|
000014A0: 35 35 2A 26 76 20 3D 20 2E 30 35 35 2A 37 30 30 |55*&v = .055*700|
000014B0: 20 3D 20 33 38 2E 35 2E 20 53 6F 20 60 33 38 2E | = 38.5. So `38.|
000014C0: 35 30 27 20 64 6F 6C 6C 61 72 73 20 69 73 20 74 |50' dollars is t|
000014D0: 68 65 20 69 6E 74 65 72 65 73 74 20 74 68 61 74 |he interest that|
000014E0: 20 74 68 65 20 32 6E 64 20 61 63 63 6F 75 6E 74 | the 2nd account|
000014F0: 20 65 61 72 6E 65 64 2E 00 33 38 2E 35 00 40 66 | earned..38.5.@f|
00001500: 43 68 72 69 73 20 69 6E 76 65 73 74 65 64 20 73 |Chris invested s|
00001510: 6F 6D 65 20 6D 6F 6E 65 79 20 61 74 20 36 25 20 |ome money at 6% |
00001520: 69 6E 74 65 72 65 73 74 20 61 6E 64 20 74 68 72 |interest and thr|
00001530: 65 65 20 74 69 6D 65 73 20 61 73 20 6D 75 63 68 |ee times as much|
00001540: 20 61 74 20 37 25 2E 20 48 69 73 20 74 6F 74 61 | at 7%. His tota|
00001550: 6C 20 69 6E 63 6F 6D 65 20 77 61 73 20 24 34 30 |l income was $40|
00001560: 2E 35 30 2E 20 20 48 6F 77 20 6D 75 63 68 20 6D |.50. How much m|
00001570: 6F 6E 65 79 20 77 61 73 20 70 6C 61 63 65 64 20 |oney was placed |
00001580: 69 6E 20 65 61 63 68 20 61 63 63 6F 75 6E 74 3F |in each account?|
00001590: 00 26 71 53 6F 6D 65 20 6D 6F 6E 65 79 20 61 74 |.&qSome money at|
000015A0: 20 36 25 20 69 6E 74 65 72 65 73 74 20 61 6E 64 | 6% interest and|
000015B0: 20 74 68 72 65 65 20 74 69 6D 65 73 20 61 73 20 | three times as |
000015C0: 6D 75 63 68 20 61 74 20 37 25 26 71 20 26 71 48 |much at 7%&q &qH|
000015D0: 69 73 20 74 6F 74 61 6C 20 69 6E 63 6F 6D 65 20 |is total income |
000015E0: 77 61 73 20 24 34 30 2E 35 30 26 71 00 26 68 48 |was $40.50&q.&hH|
000015F0: 6F 77 20 6D 75 63 68 20 6D 6F 6E 65 79 20 77 61 |ow much money wa|
00001600: 73 20 70 6C 61 63 65 64 20 69 6E 20 65 61 63 68 |s placed in each|
00001610: 20 61 63 63 6F 75 6E 74 26 68 00 2E 30 36 00 2E | account&h..06..|
00001620: 30 36 00 2E 30 36 00 2E 30 37 00 63 33 00 2E 30 |06..06..07.c3..0|
00001630: 37 00 2E 30 37 00 48 69 73 20 74 6F 74 61 6C 20 |7..07.His total |
00001640: 69 6E 63 6F 6D 65 20 77 61 73 20 24 34 30 2E 35 |income was $40.5|
00001650: 30 00 48 69 73 20 74 6F 74 61 6C 20 65 61 72 6E |0.His total earn|
00001660: 69 6E 67 73 20 77 65 72 65 20 60 34 30 2E 35 30 |ings were `40.50|
00001670: 27 20 64 6F 6C 6C 61 72 73 00 34 30 2E 35 00 31 |' dollars.40.5.1|
00001680: 73 74 20 61 63 63 6F 75 6E 74 00 31 73 74 20 61 |st account.1st a|
00001690: 63 63 6F 75 6E 74 00 39 00 32 6E 64 00 48 65 20 |ccount.9.2nd.He |
000016A0: 69 6E 76 65 73 74 65 64 20 26 68 74 68 72 65 65 |invested &hthree|
000016B0: 20 74 69 6D 65 73 20 61 73 20 6D 75 63 68 20 61 | times as much a|
000016C0: 74 20 37 25 26 68 20 74 68 61 6E 20 61 74 20 36 |t 7%&h than at 6|
000016D0: 25 20 69 6E 74 65 72 65 73 74 00 60 33 26 76 27 |% interest.`3&v'|
000016E0: 20 72 65 70 72 65 73 65 6E 74 73 20 74 68 65 20 | represents the |
000016F0: 70 72 69 6E 63 69 70 61 6C 20 69 6E 20 74 68 65 |principal in the|
00001700: 20 32 6E 64 20 61 63 63 6F 75 6E 74 00 31 30 00 | 2nd account.10.|
00001710: 33 26 76 00 2E 30 36 00 26 76 00 2E 30 36 26 76 |3&v..06.&v..06&v|
00001720: 00 2E 30 37 00 33 26 76 00 2E 32 31 26 76 00 28 |..07.3&v..21&v.(|
00001730: 20 2E 30 36 26 76 20 20 20 20 5C 66 31 33 2B 20 | .06&v \f13+ |
00001740: 2E 32 31 26 76 29 20 20 20 20 20 5C 66 32 36 3D |.21&v) \f26=|
00001750: 20 34 30 2E 35 00 2E 30 36 26 76 2B 2E 32 31 26 | 40.5..06&v+.21&|
00001760: 76 20 3D 20 34 30 2E 35 00 31 35 30 00 48 6F 77 |v = 40.5.150.How|
00001770: 20 6D 75 63 68 20 6D 6F 6E 65 79 20 77 61 73 20 | much money was |
00001780: 70 6C 61 63 65 64 20 69 6E 20 65 61 63 68 20 61 |placed in each a|
00001790: 63 63 6F 75 6E 74 00 31 73 74 00 26 76 20 3D 20 |ccount.1st.&v = |
000017A0: 60 31 35 30 27 00 39 00 31 35 30 00 32 6E 64 20 |`150'.9.150.2nd |
000017B0: 61 63 63 6F 75 6E 74 20 69 73 20 74 68 65 20 76 |account is the v|
000017C0: 61 6C 75 65 20 6F 66 20 33 26 76 00 33 26 76 20 |alue of 3&v.3&v |
000017D0: 3D 20 60 34 35 30 27 00 31 30 00 34 35 30 00 2E |= `450'.10.450..|
000017E0: 30 36 26 76 3D 2E 30 36 2A 31 35 30 3D 39 2E 20 |06&v=.06*150=9. |
000017F0: 53 6F 20 60 39 2E 30 30 27 20 64 6F 6C 6C 61 72 |So `9.00' dollar|
00001800: 73 20 69 73 20 74 68 65 20 69 6E 74 65 72 65 73 |s is the interes|
00001810: 74 20 65 61 72 6E 65 64 20 6F 6E 20 74 68 65 20 |t earned on the |
00001820: 31 73 74 20 61 63 63 6F 75 6E 74 00 39 00 2E 30 |1st account.9..0|
00001830: 37 2A 33 26 76 3D 2E 30 37 2A 34 35 30 3D 33 31 |7*3&v=.07*450=31|
00001840: 2E 35 2E 20 53 6F 20 60 33 31 2E 35 30 27 20 69 |.5. So `31.50' i|
00001850: 73 20 74 68 65 20 69 6E 74 65 72 65 73 74 20 65 |s the interest e|
00001860: 61 72 6E 65 64 20 6F 6E 20 74 68 65 20 32 6E 64 |arned on the 2nd|
00001870: 20 61 63 63 6F 75 6E 74 2E 00 33 31 2E 35 00 7C | account..31.5.||
00001880: 20 | |
A@Q{}@DG02&D(1,1ST ACCT.)&D(2,2ND ACCT.
)&D(3,TOTAL)&D(4,INT/UNIT)&D(8,PRINCIPAL
)&D(12,INTEREST)@RREAD@PREAD THE WHOLE P
ROBLEM. THINK: WHAT ARE THE FACTS? WHA
T IS BEING ASKED? (PRESS ANY KEY TO CONT
INUE)@HWHAT ARE THE FACTS? {}@HWHAT IS B
EING ASKED? {}?@I(0)@RDATA ENTRY@PFILL I
N THE CHART -- START WITH THE UNITS OF I
NTEREST. (EXPRESS IN DOLLARS).@HHOW MUCH
INTEREST DOES EACH DOLLAR IN THE 1ST AC
COUNT EARN PER YEAR?@HEACH DOLLAR IN THE
1ST ACCOUNT EARNS `{}' DOLLARS PER YEAR
.@I(5,C3,{})&D(5,{})@HHOW MUCH INTEREST
DOES EACH DOLLAR IN THE 2ND ACCOUNT EARN
PER YEAR?@HEACH DOLLAR IN THE 2ND ACCOU
NT EARNS `{}' DOLLARS PER YEAR.@I(6,{},{
})&D(6,{})@PENTER THE FACTS FROM THE PRO
BLEM INTO THE GRID.@H&H{}&H.@H{}.@I(15,I
,{})@PREPRESENT THE AMOUNT OF MONEY (PRI
NCIPAL) PLACED IN EACH OF THE ACCOUNTS.@
HCHOOSE A VARIABLE TO REPRESENT THE AMOU
NT OF MONEY IN THE {}.@HCHOOSE A LETTER
TO REPRESENT THE AMOUNT OF MONEY IN THE
{}. @I({},I,&V)@PREPRESENT THE AMOUNT OF
MONEY IN THE {} ACCOUNT IN TERMS OF "&V
".@H{}.@H{}.@I({},I,{})@RPARTS@PWRITE AN
EXPRESSION TO REPRESENT THE EARNINGS OF
EACH OF THE ACCOUNTS.@HMULTIPLY THE INT
EREST PER UNIT BY THE PRINCIPAL OF THE 1
ST ACCOUNT.@HINT/UNIT \F09* PRINCIPAL \F
21= EARNINGS \N `{} \F09* {}' \F21=
EARNINGS@I(13,I,{})@HNOW MULTIPLY THE I
NTEREST PER UNIT BY THE PRINCIPAL OF THE
2ND ACCOUNT.@HINT/UNIT \F09* PRINCIPAL
\F21= EARNINGS \N`{} \F09* {}' \F21=
EARNINGS@I(14,I,{})@RWHOLE@PUSE THE TAB
LE TO WRITE AN EQUATION TO RELATE THE PA
RTS (1ST ACCT AND 2ND ACCT) TO THE WHOLE
(TOTAL).@HUSE THE BOTTOM LINE OF THE GR
ID TO FORM THE EQUATION.@H(ACCT.1 INT)\F
13+(ACCT.2 INT)\F26=TOTAL INT \N{}@I(16,
I,{})@S@RCOMPUTE@PSOLVE THE EQUATION FOR
"&V". USE PENCIL AND PAPER, OR USE THE
CALCULATOR.@HISOLATE "&V" ON ONE SIDE OF
THE EQUATION.@HTHE CALCULATOR SOLVES EQ
UATIONS FOR YOU AND DISPLAYS THE STEPS I
N THE SOLUTION.@I(16,I,&V={})@PNOW FILL
IN THE ANSWER(S) TO THE PROBLEM. REMEMBE
R THE QUESTION. &Q{}?&Q&W(16)@HTHE PRINC
IPAL IN THE {} IS THE VALUE OF "&V".@H{}
@I({},I,{})@S@HTHE PRINCIPAL IN THE {}.@
H{}@I({},I,{})@S@RCHECK@PREREAD THE PROB
LEM. CHECK YOUR ANSWERS. REPLACE ALL VAR
IABLES IN THE CHART.@HSUBSTITUTE FOR "&V
" IN THE EXPRESSION FOR THE EARNINGS FRO
M THE 1ST ACCOUNT, AND CALCULATE THE RES
ULT.@H{}.@I(13,I,{})@HSUBSTITUTE FOR "&V
" IN THE EXPRESSION FOR THE EARNINGS FRO
M THE 2ND ACCOUNT, AND CALCULATE THE RES
ULT.@H{}@I(14,I,{})&D(0,MAKE SURE THE SU
M OF THE 1ST AND 2ND ACCOUNT EARNINGS EQ
UALS THE TOTAL EARNINGS. ON TO A NEW PRO
BLEM.)@FTREVOR MADE TWO INVESTMENTS, ONE
AT 7% INTEREST AND TWICE AS MUCH AT 7.5
% INTEREST. IF THE TOTAL INTEREST EARNED
WAS $121, HOW MUCH MONEY DID HE INVEST
IN EACH ACCOUNT?.&QONE AT 7% INTEREST AN
D TWICE AS MUCH AT 7.5% INTEREST&Q &QTHE
TOTAL INTEREST EARNED WAS $121&Q.&HHOW
MUCH MONEY DID HE INVEST IN EACH ACCOUNT
&H..07..07..07..075.C4..075..075.THE TOT
AL INTEREST EARNED WAS $121.THE TOTAL EA
RNINGS WERE `121' DOLLARS.121.1ST.1ST AC
COUNT.9.2ND.HE INVESTED &HTWICE AS MUCH
AT 7.5% INTEREST&H AS HE HAD AT 7% INTER
EST.THE AMOUNT OF MONEY IN THE 2ND ACCOU
NT IS `2&V'.10.2&V..07.&V..07&V..075.2&V
..15&V.` .07&V \F13+ .15&V \F26=
121 '..07&V+.15&V = 121.550.HOW MUCH M
ONEY DID HE INVEST IN EACH ACCOUNT.1ST A
CCOUNT.&V = `550'.9.550.2ND ACCOUNT IS T
HE VALUE OF "2&V".2&V = 2*550 = `1100'.1
0.1100.&V = 550, SO .07&V = .07*550 = `3
8.5'. $38.50 IS THE INTEREST EARNED IN T
HE 1ST ACCOUNT.38.5.&V = 550, SO .15*&V=
.15*550 = `82.5'. $82.50 IS THE INTEREST
EARNED IN THE 2ND ACCOUNT.82.5.@FELLEN
INVESTED SOME MONEY AT 8% INTEREST AND T
WICE AS MUCH AT 10% INTEREST. THE TOTAL
INTEREST EARNED WAS $700. HOW MUCH WAS I
NVESTED AT EACH RATE?.&QTHE TOTAL INTERE
ST EARNED WAS $700&Q.&HHOW MUCH WAS INVE
STED AT EACH RATE&H..08..08..08..10.C2..
1..1.THE TOTAL INTEREST EARNED WAS $700.
THE TOTAL INTEREST WAS `700' DOLLARS.700
.1ST.1ST ACCOUNT.9.2ND.SHE INVESTED &HTW
ICE AS MUCH AT 10% INTEREST&H AS SHE INV
ESTED AT 8%.`2&V' REPRESENTS HER SECOND
INVESTMENT.10.2&V..08.&V..08&V..1.2&V..2
&V.` .08&V \F13+ .2&V \F26= 70
0'..08&V+.2&V=700.2500.HOW MUCH MONEY WA
S INVESTED AT EACH RATE.1ST ACCOUNT.&V =
`2500'.9.2500.2ND ACCOUNT IS THE VALUE
OF "2&V".2&V = 2*2500 = `5000'.10.5000..
08*&V = .08*2500 = 200. SO, `200' DOLLAR
S IS THE INTEREST EARNED IN THE 1ST ACCO
UNT.200..2&V = .2*2500 = 500. SO, `500'
DOLLARS IS THE INTEREST EARNED ON THE 2N
D ACCOUNT..500.@FMR. REED INVESTED 600 D
OLLARS MORE IN A 6% ACCOUNT THAN HE INVE
STED IN A 5.5% ACCOUNT. IF THE TOTAL INT
EREST EARNED WAS $116.50, HOW MUCH MONEY
DID HE PLACE IN EACH ACCOUNT?.&QINVESTE
D 600 DOLLARS MORE IN A 6% ACCOUNT THAN
HE INVESTED IN A 5.5% ACCOUNT&Q &QTHE TO
TAL INTEREST EARNED WAS $116.50&Q.&HHOW
MUCH MONEY DID HE PLACE IN EACH ACCOUNT&
H..06..06..06..055.C4..055..055.THE TOTA
L INTEREST EARNED WAS $116.50.THE TOTAL
EARNINGS WERE `116.50'.116.5.5.5% ACCOUN
T.5.5% ACCOUNT.10.6%.HE PUT &H600 DOLLAR
S MORE IN A 6% ACCOUNT&H THAN IN THE 5.5
% ACCOUNT.THE AMOUNT OF MONEY IN THE 1ST
ACCOUNT IS `&V+600'.9.&V+600..06.&V+600
..06(&V+600)..055.&V..055&V.`.06(&V+600)
\F13+.055(&V) \F26= 116.5'..06(&V+600)+
.055&V = 116.5.700.HOW MUCH MONEY DID HE
PLACE IN EACH ACCOUNT.2ND.&V = `700'.10
.700.1ST ACCOUNT IS THE VALUE OF &V+600.
&V+600 = `1300'.9.1300..06(&V+600) = .06
*1300 = 78. SO `78.00' DOLLARS IS THE IN
TEREST EARNED IN THE FIRST ACCOUNT.78..0
55*&V = .055*700 = 38.5. SO `38.50' DOLL
ARS IS THE INTEREST THAT THE 2ND ACCOUNT
EARNED..38.5.@FCHRIS INVESTED SOME MONE
Y AT 6% INTEREST AND THREE TIMES AS MUCH
AT 7%. HIS TOTAL INCOME WAS $40.50. HO
W MUCH MONEY WAS PLACED IN EACH ACCOUNT?
.&QSOME MONEY AT 6% INTEREST AND THREE T
IMES AS MUCH AT 7%&Q &QHIS TOTAL INCOME
WAS $40.50&Q.&HHOW MUCH MONEY WAS PLACED
IN EACH ACCOUNT&H..06..06..06..07.C3..0
7..07.HIS TOTAL INCOME WAS $40.50.HIS TO
TAL EARNINGS WERE `40.50' DOLLARS.40.5.1
ST ACCOUNT.1ST ACCOUNT.9.2ND.HE INVESTED
&HTHREE TIMES AS MUCH AT 7%&H THAN AT 6
% INTEREST.`3&V' REPRESENTS THE PRINCIPA
L IN THE 2ND ACCOUNT.10.3&V..06.&V..06&V
..07.3&V..21&V.( .06&V \F13+ .21&V)
\F26= 40.5..06&V+.21&V = 40.5.150.HOW
MUCH MONEY WAS PLACED IN EACH ACCOUNT.1
ST.&V = `150'.9.150.2ND ACCOUNT IS THE V
ALUE OF 3&V.3&V = `450'.10.450..06&V=.06
*150=9. SO `9.00' DOLLARS IS THE INTERES
T EARNED ON THE 1ST ACCOUNT.9..07*3&V=.0
7*450=31.5. SO `31.50' IS THE INTEREST E
ARNED ON THE 2ND ACCOUNT..31.5.|
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