_  __   _  _         _ _     _      _           _           
  __| |/ /_ | || |     __| (_)___| | __ (_)_ __   __| | _____  __
 / _` | '_ \| || |_   / _` | / __| |/ / | | '_ \ / _` |/ _ \ \/ /
| (_| | (_) |__   _| | (_| | \__ \   <  | | | | | (_| |  __/>  < 
 \__,_|\___/   |_|    \__,_|_|___/_|\_\ |_|_| |_|\__,_|\___/_/\_\
                                                                 
            

MIXT3L1

FILE INFORMATION

FILENAME(S): MIXT3L1

FILE TYPE(S): PRG

FILE SIZE: 4.1K

FIRST SEEN: 2025-10-19 22:48:55

APPEARS ON: 1 disk(s)

FILE HASH

6a820483a403509df0d78b444c6dc0121f3e69cd034b5eed2dead2aaf7aba369

FOUND ON DISKS (1 DISKS)

DISK TITLE FILENAME FILE TYPE COLLECTION TRACK SECTOR ACTIONS
HHM 100785 44S1 MIXT3L1 PRG Radd Maxx 4 1 DOWNLOAD FILE

FILE CONTENT & ANALYSIS

00000000: 20 41 40 71 4D 49 58 54  55 52 45 20 54 55 54 4F  | A@qMIXTURE TUTO|
00000010: 52 49 41 4C 20 2D 2D 20  50 41 52 54 20 32 2E 20  |RIAL -- PART 2. |
00000020: 48 65 72 65 20 69 73 20  61 20 73 61 6D 70 6C 65  |Here is a sample|
00000030: 20 4D 69 78 74 75 72 65  20 50 72 6F 62 6C 65 6D  | Mixture Problem|
00000040: 20 69 6E 76 6F 6C 76 69  6E 67 20 74 77 6F 20 64  | involving two d|
00000050: 69 66 66 65 72 65 6E 74  20 74 79 70 65 73 20 6F  |ifferent types o|
00000060: 66 20 63 6F 66 66 65 65  2E 40 64 77 68 69 74 65  |f coffee.@dwhite|
00000070: 26 64 28 30 2C 29 40 6A  41 20 6D 65 72 63 68 61  |&d(0,)@jA mercha|
00000080: 6E 74 20 77 61 6E 74 73  20 74 6F 20 6D 69 78 20  |nt wants to mix |
00000090: 31 30 20 70 6F 75 6E 64  73 20 6F 66 20 45 73 70  |10 pounds of Esp|
000000A0: 72 65 73 73 6F 2C 20 77  6F 72 74 68 20 24 35 2E  |resso, worth $5.|
000000B0: 30 30 20 70 65 72 20 70  6F 75 6E 64 2C 20 77 69  |00 per pound, wi|
000000C0: 74 68 20 35 20 70 6F 75  6E 64 73 20 6F 66 20 46  |th 5 pounds of F|
000000D0: 72 65 6E 63 68 20 63 6F  66 66 65 65 2C 20 77 6F  |rench coffee, wo|
000000E0: 72 74 68 20 24 32 2E 30  30 20 70 65 72 20 70 6F  |rth $2.00 per po|
000000F0: 75 6E 64 2E 20 57 68 61  74 20 69 73 20 74 68 65  |und. What is the|
00000100: 20 50 72 69 63 65 20 70  65 72 20 50 6F 75 6E 64  | Price per Pound|
00000110: 20 6F 66 20 74 68 65 20  6D 69 78 3F 26 64 28 30  | of the mix?&d(0|
00000120: 2C 29 40 72 52 45 41 44  40 70 52 65 61 64 20 74  |,)@rREAD@pRead t|
00000130: 68 65 20 77 68 6F 6C 65  20 70 72 6F 62 6C 65 6D  |he whole problem|
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00000150: 65 20 74 68 65 20 66 61  63 74 73 3F 20 57 68 61  |e the facts? Wha|
00000160: 74 20 69 73 20 62 65 69  6E 67 20 61 73 6B 65 64  |t is being asked|
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000001B0: 72 65 73 73 6F 2C 20 77  6F 72 74 68 20 24 35 2E  |resso, worth $5.|
000001C0: 30 30 20 70 65 72 20 70  6F 75 6E 64 26 71 26 71  |00 per pound&q&q|
000001D0: 35 20 70 6F 75 6E 64 73  20 6F 66 20 46 72 65 6E  |5 pounds of Fren|
000001E0: 63 68 2C 20 77 6F 72 74  68 20 24 32 2E 30 30 20  |ch, worth $2.00 |
000001F0: 70 65 72 20 70 6F 75 6E  64 26 71 40 68 57 68 61  |per pound&q@hWha|
00000200: 74 20 69 73 20 62 65 69  6E 67 20 61 73 6B 65 64  |t is being asked|
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00000240: 28 30 29 40 72 50 4C 41  4E 26 64 28 30 2C 54 68  |(0)@rPLAN&d(0,Th|
00000250: 65 20 6D 65 72 63 68 61  6E 74 20 63 6F 6D 62 69  |e merchant combi|
00000260: 6E 65 73 20 74 77 6F 20  74 79 70 65 73 20 6F 66  |nes two types of|
00000270: 20 63 6F 66 66 65 65 20  74 6F 20 6D 61 6B 65 20  | coffee to make |
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000002A0: 20 20 20 20 20 20 20 20  20 43 4F 46 46 45 45 29  |         COFFEE)|
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00000350: 64 28 30 2C 54 68 65 20  50 72 69 63 65 20 6F 66  |d(0,The Price of|
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00000390: 73 6F 20 61 6E 64 20 74  68 65 20 50 72 69 63 65  |so and the Price|
000003A0: 20 6F 66 20 74 68 65 20  46 72 65 6E 63 68 2E 29  | of the French.)|
000003B0: 20 40 64 67 30 32 26 63  28 31 2C 45 73 70 72 65  | @dg02&c(1,Espre|
000003C0: 73 73 6F 29 26 63 28 32  2C 46 72 65 6E 63 68 29  |sso)&c(2,French)|
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00000430: 70 46 69 6C 6C 20 69 6E  20 74 68 65 20 67 72 69  |pFill in the gri|
00000440: 64 2E 20 45 78 70 72 65  73 73 20 74 68 65 20 50  |d. Express the P|
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00000480: 70 72 69 63 65 20 70 65  72 20 70 6F 75 6E 64 20  |price per pound |
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000004A0: 65 20 45 73 70 72 65 73  73 6F 20 69 73 20 60 35  |e Espresso is `5|
000004B0: 30 30 20 63 74 2F 6C 62  27 2E 26 71 45 73 70 72  |00 ct/lb'.&qEspr|
000004C0: 65 73 73 6F 2C 20 77 6F  72 74 68 20 24 35 2E 30  |esso, worth $5.0|
000004D0: 30 20 70 65 72 20 70 6F  75 6E 64 26 71 40 68 45  |0 per pound&q@hE|
000004E0: 6E 74 65 72 20 60 35 30  30 20 63 74 2F 6C 62 27  |nter `500 ct/lb'|
000004F0: 20 61 6E 64 20 70 72 65  73 73 20 74 68 65 20 3C  | and press the <|
00000500: 52 65 74 75 72 6E 3E 20  6B 65 79 2E 40 69 28 35  |Return> key.@i(5|
00000510: 2C 69 2C 35 30 30 29 26  64 28 35 2C 35 30 30 20  |,i,500)&d(5,500 |
00000520: 63 74 2F 6C 62 29 40 70  45 78 70 72 65 73 73 20  |ct/lb)@pExpress |
00000530: 74 68 65 20 50 72 69 63  65 20 70 65 72 20 50 6F  |the Price per Po|
00000540: 75 6E 64 20 28 69 6E 20  63 65 6E 74 73 29 20 6F  |und (in cents) o|
00000550: 66 20 74 68 65 20 46 72  65 6E 63 68 20 63 6F 66  |f the French cof|
00000560: 66 65 65 2E 40 68 54 68  65 20 70 72 69 63 65 20  |fee.@hThe price |
00000570: 70 65 72 20 70 6F 75 6E  64 20 28 69 6E 20 63 65  |per pound (in ce|
00000580: 6E 74 73 29 20 6F 66 20  74 68 65 20 46 72 65 6E  |nts) of the Fren|
00000590: 63 68 20 63 6F 66 66 65  65 20 69 73 20 60 32 30  |ch coffee is `20|
000005A0: 30 20 63 74 2F 6C 62 27  2E 26 71 46 72 65 6E 63  |0 ct/lb'.&qFrenc|
000005B0: 68 20 63 6F 66 66 65 65  2C 20 77 6F 72 74 68 20  |h coffee, worth |
000005C0: 24 32 2E 30 30 20 70 65  72 20 70 6F 75 6E 64 26  |$2.00 per pound&|
000005D0: 71 40 68 45 6E 74 65 72  20 60 32 30 30 20 63 74  |q@hEnter `200 ct|
000005E0: 2F 6C 62 27 20 61 6E 64  20 70 72 65 73 73 20 74  |/lb' and press t|
000005F0: 68 65 20 3C 52 65 74 75  72 6E 3E 20 6B 65 79 2E  |he <Return> key.|
00000600: 40 69 28 36 2C 69 2C 32  30 30 29 26 64 28 36 2C  |@i(6,i,200)&d(6,|
00000610: 32 30 30 20 63 74 2F 6C  62 29 40 70 45 6E 74 65  |200 ct/lb)@pEnte|
00000620: 72 20 74 68 65 20 66 61  63 74 73 20 66 72 6F 6D  |r the facts from|
00000630: 20 74 68 65 20 70 72 6F  62 6C 65 6D 20 69 6E 74  | the problem int|
00000640: 6F 20 74 68 65 20 67 72  69 64 2E 20 42 65 67 69  |o the grid. Begi|
00000650: 6E 20 77 69 74 68 20 74  68 65 20 61 6D 6F 75 6E  |n with the amoun|
00000660: 74 20 6F 66 20 45 73 70  72 65 73 73 6F 20 69 6E  |t of Espresso in|
00000670: 20 74 68 65 20 42 6C 65  6E 64 2E 40 68 54 68 65  | the Blend.@hThe|
00000680: 72 65 20 61 72 65 20 26  68 31 30 20 70 6F 75 6E  |re are &h10 poun|
00000690: 64 73 20 6F 66 20 45 73  70 72 65 73 73 6F 26 68  |ds of Espresso&h|
000006A0: 2E 40 68 54 68 65 72 65  20 61 72 65 20 26 68 31  |.@hThere are &h1|
000006B0: 30 20 70 6F 75 6E 64 73  20 6F 66 20 45 73 70 72  |0 pounds of Espr|
000006C0: 65 73 73 6F 26 68 2E 5C  6E 45 6E 74 65 72 20 60  |esso&h.\nEnter `|
000006D0: 31 30 27 20 61 6E 64 20  70 72 65 73 73 20 3C 52  |10' and press <R|
000006E0: 65 74 75 72 6E 3E 2E 40  69 28 39 2C 69 2C 31 30  |eturn>.@i(9,i,10|
000006F0: 29 26 64 28 39 2C 31 30  20 6C 62 29 40 70 45 6E  |)&d(9,10 lb)@pEn|
00000700: 74 65 72 20 74 68 65 20  61 6D 6F 75 6E 74 20 6F  |ter the amount o|
00000710: 66 20 46 72 65 6E 63 68  20 63 6F 66 66 65 65 20  |f French coffee |
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00000730: 68 65 72 65 20 61 72 65  20 26 68 35 20 70 6F 75  |here are &h5 pou|
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00000780: 2E 5C 6E 45 6E 74 65 72  20 60 35 27 20 61 6E 64  |.\nEnter `5' and|
00000790: 20 70 72 65 73 73 20 3C  52 65 74 75 72 6E 3E 2E  | press <Return>.|
000007A0: 40 69 28 31 30 2C 69 2C  35 29 26 64 28 31 30 2C  |@i(10,i,5)&d(10,|
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000007C0: 20 77 65 69 67 68 74 20  6F 66 20 74 68 65 20 4D  | weight of the M|
000007D0: 69 78 2E 40 68 41 64 64  20 74 68 65 20 77 65 69  |ix.@hAdd the wei|
000007E0: 67 68 74 73 20 6F 66 20  74 68 65 20 74 77 6F 20  |ghts of the two |
000007F0: 63 6F 66 66 65 65 73 20  74 6F 20 67 65 74 20 74  |coffees to get t|
00000800: 68 65 20 77 65 69 67 68  74 20 6F 66 20 74 68 65  |he weight of the|
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00000820: 20 77 69 6C 6C 20 77 65  69 67 68 20 60 31 35 27  | will weigh `15'|
00000830: 20 70 6F 75 6E 64 73 2E  40 68 5C 66 30 36 45 73  | pounds.@h\f06Es|
00000840: 70 72 65 73 73 6F 20 2B  20 46 72 65 6E 63 68 20  |presso + French |
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000009A0: 65 20 70 65 72 20 50 6F  75 6E 64 20 5C 66 31 37  |e per Pound \f17|
000009B0: 2A 20 23 20 6F 66 20 50  6F 75 6E 64 73 20 5C 66  |* # of Pounds \f|
000009C0: 33 31 3D 20 50 72 69 63  65 2E 5C 6E 20 20 20 60  |31= Price.\n   `|
000009D0: 20 35 30 30 20 20 20 20  20 20 20 20 5C 66 31 37  | 500        \f17|
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00000A00: 40 69 28 31 33 2C 69 2C  35 30 30 2A 31 30 29 40  |@i(13,i,500*10)@|
00000A10: 70 57 72 69 74 65 20 61  6E 20 65 78 70 72 65 73  |pWrite an expres|
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00000A60: 69 74 20 62 79 20 74 68  65 20 4E 75 6D 62 65 72  |it by the Number|
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00000A80: 63 65 20 70 65 72 20 50  6F 75 6E 64 20 5C 66 31  |ce per Pound \f1|
00000A90: 37 2A 20 20 23 20 6F 66  20 50 6F 75 6E 64 73 20  |7*  # of Pounds |
00000AA0: 5C 66 33 31 3D 20 50 72  69 63 65 2E 20 5C 6E 20  |\f31= Price. \n |
00000AB0: 60 20 20 32 30 30 20 20  20 20 20 20 20 20 20 5C  |`  200         \|
00000AC0: 66 31 37 2A 20 20 20 20  20 20 20 20 35 20 27 40  |f17*        5 '@|
00000AD0: 68 45 6E 74 65 72 20 60  32 30 30 20 2A 20 35 27  |hEnter `200 * 5'|
00000AE0: 2E 40 69 28 31 34 2C 69  2C 32 30 30 2A 35 29 40  |.@i(14,i,200*5)@|
00000AF0: 70 52 65 70 72 65 73 65  6E 74 20 74 68 65 20 50  |pRepresent the P|
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00000B20: 68 65 20 50 72 69 63 65  2F 55 6E 69 74 20 62 79  |he Price/Unit by|
00000B30: 20 74 68 65 20 4E 75 6D  62 65 72 20 6F 66 20 50  | the Number of P|
00000B40: 6F 75 6E 64 73 20 6F 66  20 63 6F 66 66 65 65 20  |ounds of coffee |
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00000B60: 63 65 20 70 65 72 20 50  6F 75 6E 64 20 5C 66 31  |ce per Pound \f1|
00000B70: 37 2A 20 23 20 6F 66 20  50 6F 75 6E 64 73 20 5C  |7* # of Pounds \|
00000B80: 66 33 31 3D 20 50 72 69  63 65 2E 20 5C 6E 20 20  |f31= Price. \n  |
00000B90: 60 20 26 76 20 20 20 20  20 20 20 20 20 20 20 20  |` &v            |
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00000BC0: 27 2E 40 69 28 31 35 2C  69 2C 31 35 26 76 29 40  |'.@i(15,i,15&v)@|
00000BD0: 72 57 48 4F 4C 45 26 77  28 31 36 29 26 64 28 30  |rWHOLE&w(16)&d(0|
00000BE0: 2C 4E 65 78 74 20 79 6F  75 20 77 69 6C 6C 20 66  |,Next you will f|
00000BF0: 69 6C 6C 20 69 6E 20 76  61 6C 75 65 73 20 69 6E  |ill in values in|
00000C00: 20 74 68 65 20 45 71 75  61 74 69 6F 6E 20 49 64  | the Equation Id|
00000C10: 65 61 2E 29 26 64 28 31  36 2C 29 40 70 55 73 65  |ea.)&d(16,)@pUse|
00000C20: 20 74 68 65 20 45 71 75  61 74 69 6F 6E 20 49 64  | the Equation Id|
00000C30: 65 61 20 74 6F 20 77 72  69 74 65 20 61 6E 20 65  |ea to write an e|
00000C40: 71 75 61 74 69 6F 6E 20  74 6F 20 72 65 6C 61 74  |quation to relat|
00000C50: 65 20 74 68 65 20 50 61  72 74 73 20 74 6F 20 74  |e the Parts to t|
00000C60: 68 65 20 57 68 6F 6C 65  3A 20 45 73 70 72 65 73  |he Whole: Espres|
00000C70: 73 6F 20 2B 20 46 72 65  6E 63 68 20 3D 20 4D 69  |so + French = Mi|
00000C80: 78 2E 40 68 55 73 65 20  74 68 65 20 62 6F 74 74  |x.@hUse the bott|
00000C90: 6F 6D 20 6C 69 6E 65 20  6F 66 20 74 68 65 20 67  |om line of the g|
00000CA0: 72 69 64 20 74 6F 20 66  6F 72 6D 20 74 68 65 20  |rid to form the |
00000CB0: 65 71 75 61 74 69 6F 6E  2E 40 68 45 73 70 72 65  |equation.@hEspre|
00000CC0: 73 73 6F 20 76 61 6C 20  5C 66 31 32 2B 46 72 65  |sso val \f12+Fre|
00000CD0: 6E 63 68 20 76 61 6C 20  5C 66 32 35 3D 20 54 6F  |nch val \f25= To|
00000CE0: 74 61 6C 20 76 61 6C 20  5C 6E 20 20 20 60 20 35  |tal val \n   ` 5|
00000CF0: 30 30 30 20 20 20 20 20  20 20 5C 66 31 32 2B 20  |000       \f12+ |
00000D00: 20 20 20 20 31 30 30 30  20 20 20 20 20 20 5C 66  |    1000      \f|
00000D10: 32 35 3D 20 20 31 35 26  76 20 27 40 69 28 31 36  |25=  15&v '@i(16|
00000D20: 2C 69 2C 35 30 30 30 2B  31 30 30 30 3D 31 35 26  |,i,5000+1000=15&|
00000D30: 76 29 40 73 40 72 43 4F  4D 50 55 54 45 40 70 55  |v)@s@rCOMPUTE@pU|
00000D40: 73 65 20 74 68 65 20 43  61 6C 63 75 6C 61 74 6F  |se the Calculato|
00000D50: 72 20 74 6F 20 73 6F 6C  76 65 20 74 68 65 20 65  |r to solve the e|
00000D60: 71 75 61 74 69 6F 6E 20  66 6F 72 20 22 26 76 22  |quation for "&v"|
00000D70: 2E 40 68 54 68 65 20 43  61 6C 63 75 6C 61 74 6F  |.@hThe Calculato|
00000D80: 72 20 73 6F 6C 76 65 73  20 65 71 75 61 74 69 6F  |r solves equatio|
00000D90: 6E 73 20 66 6F 72 20 79  6F 75 20 61 6E 64 20 64  |ns for you and d|
00000DA0: 69 73 70 6C 61 79 73 20  73 74 65 70 73 20 69 6E  |isplays steps in|
00000DB0: 20 74 68 65 20 73 6F 6C  75 74 69 6F 6E 2E 40 68  | the solution.@h|
00000DC0: 49 73 6F 6C 61 74 65 20  22 26 76 22 20 6F 6E 20  |Isolate "&v" on |
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00000DF0: 2C 26 76 3D 34 30 30 29  40 70 4E 6F 77 20 66 69  |,&v=400)@pNow fi|
00000E00: 6C 6C 20 69 6E 20 74 68  65 20 61 6E 73 77 65 72  |ll in the answer|
00000E10: 28 73 29 20 74 6F 20 74  68 65 20 70 72 6F 62 6C  |(s) to the probl|
00000E20: 65 6D 2E 20 52 65 6D 65  6D 62 65 72 20 74 68 65  |em. Remember the|
00000E30: 20 71 75 65 73 74 69 6F  6E 2E 20 26 68 57 68 61  | question. &hWha|
00000E40: 74 20 69 73 20 74 68 65  20 50 72 69 63 65 20 70  |t is the Price p|
00000E50: 65 72 20 50 6F 75 6E 64  20 6F 66 20 74 68 65 20  |er Pound of the |
00000E60: 4D 69 78 26 68 40 68 54  68 65 20 50 72 69 63 65  |Mix&h@hThe Price|
00000E70: 2F 55 6E 69 74 20 6F 66  20 74 68 65 20 4D 69 78  |/Unit of the Mix|
00000E80: 20 69 73 20 65 71 75 61  6C 20 74 6F 20 22 26 76  | is equal to "&v|
00000E90: 22 2E 40 68 54 68 65 20  50 72 69 63 65 2F 55 6E  |".@hThe Price/Un|
00000EA0: 69 74 20 6F 66 20 74 68  65 20 4D 69 78 20 69 73  |it of the Mix is|
00000EB0: 20 65 71 75 61 6C 20 74  6F 20 22 26 76 22 2E 20  | equal to "&v". |
00000EC0: 26 76 20 3D 20 60 34 30  30 27 40 69 28 37 2C 69  |&v = `400'@i(7,i|
00000ED0: 2C 34 30 30 29 40 73 40  72 43 48 45 43 4B 26 64  |,400)@s@rCHECK&d|
00000EE0: 28 30 2C 52 65 72 65 61  64 20 74 68 65 20 70 72  |(0,Reread the pr|
00000EF0: 6F 62 6C 65 6D 2E 20 43  68 65 63 6B 20 79 6F 75  |oblem. Check you|
00000F00: 72 20 61 6E 73 77 65 72  73 2E 20 45 76 61 6C 75  |r answers. Evalu|
00000F10: 61 74 65 20 74 68 65 20  72 65 6D 61 69 6E 69 6E  |ate the remainin|
00000F20: 67 20 65 78 70 72 65 73  73 69 6F 6E 2E 29 40 70  |g expression.)@p|
00000F30: 53 75 62 73 74 69 74 75  74 65 20 66 6F 72 20 22  |Substitute for "|
00000F40: 26 76 22 20 69 6E 20 74  68 65 20 65 78 70 72 65  |&v" in the expre|
00000F50: 73 73 69 6F 6E 20 66 6F  72 20 74 68 65 20 50 72  |ssion for the Pr|
00000F60: 69 63 65 20 6F 66 20 74  68 65 20 4D 69 78 2E 20  |ice of the Mix. |
00000F70: 20 4E 6F 77 20 63 61 6C  63 75 6C 61 74 65 2E 40  | Now calculate.@|
00000F80: 68 31 35 26 76 20 3D 20  31 35 2A 34 30 30 20 3D  |h15&v = 15*400 =|
00000F90: 20 60 36 30 30 30 27 20  63 65 6E 74 73 40 68 45  | `6000' cents@hE|
00000FA0: 6E 74 65 72 20 60 36 30  30 30 27 2E 40 69 28 31  |nter `6000'.@i(1|
00000FB0: 35 2C 69 2C 36 30 30 30  29 26 64 28 30 2C 4D 61  |5,i,6000)&d(0,Ma|
00000FC0: 6B 65 20 73 75 72 65 20  74 68 65 20 73 75 6D 20  |ke sure the sum |
00000FD0: 6F 66 20 74 68 65 20 50  72 69 63 65 73 20 6F 66  |of the Prices of|
00000FE0: 20 74 68 65 20 63 6F 66  66 65 65 73 20 65 71 75  | the coffees equ|
00000FF0: 61 6C 73 20 74 68 65 20  4D 69 78 20 50 72 69 63  |als the Mix Pric|
00001000: 65 2E 29 40 6A 54 68 69  73 20 65 6E 64 73 20 74  |e.)@jThis ends t|
00001010: 68 65 20 54 75 74 6F 72  69 61 6C 2E 20 59 6F 75  |he Tutorial. You|
00001020: 20 61 72 65 20 6E 6F 77  20 72 65 61 64 79 20 74  | are now ready t|
00001030: 6F 20 73 6F 6C 76 65 20  73 6F 6D 65 20 70 72 6F  |o solve some pro|
00001040: 62 6C 65 6D 73 2E 20 43  68 6F 6F 73 65 20 22 4D  |blems. Choose "M|
00001050: 69 78 74 75 72 65 20 50  72 6F 62 6C 65 6D 73 22  |ixture Problems"|
00001060: 20 22 4C 65 76 65 6C 20  32 22 2E 26 64 28 30 2C  | "Level 2".&d(0,|
00001070: 29 7C 26                                          |)|&             |
 A@QMIXTURE TUTORIAL -- PART 2. HERE IS 
A SAMPLE MIXTURE PROBLEM INVOLVING TWO D
IFFERENT TYPES OF COFFEE.@DWHITE&D(0,)@J
A MERCHANT WANTS TO MIX 10 POUNDS OF ESP
RESSO, WORTH $5.00 PER POUND, WITH 5 POU
NDS OF FRENCH COFFEE, WORTH $2.00 PER PO
UND. WHAT IS THE PRICE PER POUND OF THE 
MIX?&D(0,)@RREAD@PREAD THE WHOLE PROBLEM
. THINK: WHAT ARE THE FACTS? WHAT IS BEI
NG ASKED? (ANY KEY TO CONTINUE.)@HWHAT A
RE THE FACTS? &Q10 POUNDS OF ESPRESSO, W
ORTH $5.00 PER POUND&Q&Q5 POUNDS OF FREN
CH, WORTH $2.00 PER POUND&Q@HWHAT IS BEI
NG ASKED?\N&HWHAT IS THE PRICE PER POUND
 OF THE MIX?&H@I(0)@RPLAN&D(0,THE MERCHA
NT COMBINES TWO TYPES OF COFFEE TO MAKE 
A BLEND.)@DCOFFEE@R&D(0,                
 COFFEE)@RPLAN&D(0,THE WHOLE MIXTURE, TH
E BLEND, IS THE SUM OF THE PARTS.)&D(0,A
N "EQUATION IDEA" EXPRESSES THE PLAN IN 
GENERAL TERMS.)&C(16,ESPRESSO + FRENCH =
 BLEND)&D(0,THE PRICE OF THE BLEND IS TH
E SUM OF THE PRICE OF THE ESPRESSO AND T
HE PRICE OF THE FRENCH.) @DG02&C(1,ESPRE
SSO)&C(2,FRENCH)&C(3,MIX)&D(4,PRICE/UNIT
)&D(8,# POUNDS)&D(12,PRICE)&C(16,ESPRESS
O + FRENCH = BLEND)@RDATA ENTRY@PFILL IN
 THE GRID. EXPRESS THE PRICE PER POUND (
IN CENTS) OF THE ESPRESSO.@HTHE PRICE PE
R POUND (IN CENTS) OF THE ESPRESSO IS `5
00 CT/LB'.&QESPRESSO, WORTH $5.00 PER PO
UND&Q@HENTER `500 CT/LB' AND PRESS THE <
RETURN> KEY.@I(5,I,500)&D(5,500 CT/LB)@P
EXPRESS THE PRICE PER POUND (IN CENTS) O
F THE FRENCH COFFEE.@HTHE PRICE PER POUN
D (IN CENTS) OF THE FRENCH COFFEE IS `20
0 CT/LB'.&QFRENCH COFFEE, WORTH $2.00 PE
R POUND&Q@HENTER `200 CT/LB' AND PRESS T
HE <RETURN> KEY.@I(6,I,200)&D(6,200 CT/L
B)@PENTER THE FACTS FROM THE PROBLEM INT
O THE GRID. BEGIN WITH THE AMOUNT OF ESP
RESSO IN THE BLEND.@HTHERE ARE &H10 POUN
DS OF ESPRESSO&H.@HTHERE ARE &H10 POUNDS
 OF ESPRESSO&H.\NENTER `10' AND PRESS <R
ETURN>.@I(9,I,10)&D(9,10 LB)@PENTER THE 
AMOUNT OF FRENCH COFFEE IN THE BLEND.@HT
HERE ARE &H5 POUNDS OF FRENCH COFFEE&H.@
HTHERE ARE &H5 POUNDS OF FRENCH COFFEE&H
.\NENTER `5' AND PRESS <RETURN>.@I(10,I,
5)&D(10,5 LB)@PENTER THE WEIGHT OF THE M
IX.@HADD THE WEIGHTS OF THE TWO COFFEES 
TO GET THE WEIGHT OF THE MIX, SO THE MIX
 WILL WEIGH `15' POUNDS.@H\F06ESPRESSO +
 FRENCH = MIX\N\F06   `10   +    5'@I(11
,I,15)&D(11,15 LB)@PREPRESENT THE PRICE 
OF THE MIX.@HUSE A VARIABLE TO REPRESENT
 THE PRICE OF THE MIX.@HCHOOSE ANY LETTE
R, SUCH AS `P', TO REPRESENT THE PRICE O
F THE MIX.@I(7,I,&V) @RPARTS@PWRITE AN E
XPRESSION TO REPRESENT THE PRICE OF THE 
ESPRESSO. MULTIPLY THE PRICE/UNIT BY THE
 NUMBER OF POUNDS.@HPRICE PER POUND \F17
* # OF POUNDS \F31= PRICE.\N   ` 500    
    \F17*        10 '@HENTER `500 * 10'.
@I(13,I,500*10)@PWRITE AN EXPRESSION TO 
REPRESENT THE PRICE OF THE FRENCH. MULTI
PLY THE PRICE/UNIT BY THE NUMBER OF POUN
DS.@HPRICE PER POUND \F17*  # OF POUNDS 
\F31= PRICE. \N `  200         \F17*    
    5 '@HENTER `200 * 5'.@I(14,I,200*5)@
PREPRESENT THE PRICE OF THE MIX BY MULTI
PLYING THE PRICE/UNIT BY THE NUMBER OF P
OUNDS OF COFFEE IN THE MIX.@HPRICE PER P
OUND \F17* # OF POUNDS \F31= PRICE. \N  
` &V            \F17*       15 '@HENTER 
`&V * 15'.@I(15,I,15&V)@RWHOLE&W(16)&D(0
,NEXT YOU WILL FILL IN VALUES IN THE EQU
ATION IDEA.)&D(16,)@PUSE THE EQUATION ID
EA TO WRITE AN EQUATION TO RELATE THE PA
RTS TO THE WHOLE: ESPRESSO + FRENCH = MI
X.@HUSE THE BOTTOM LINE OF THE GRID TO F
ORM THE EQUATION.@HESPRESSO VAL \F12+FRE
NCH VAL \F25= TOTAL VAL \N   ` 5000     
  \F12+     1000      \F25=  15&V '@I(16
,I,5000+1000=15&V)@S@RCOMPUTE@PUSE THE C
ALCULATOR TO SOLVE THE EQUATION FOR "&V"
.@HTHE CALCULATOR SOLVES EQUATIONS FOR Y
OU AND DISPLAYS STEPS IN THE SOLUTION.@H
ISOLATE "&V" ON ONE SIDE OF THE EQUATION
.@I(16,I,&V=400)@PNOW FILL IN THE ANSWER
(S) TO THE PROBLEM. REMEMBER THE QUESTIO
N. &HWHAT IS THE PRICE PER POUND OF THE 
MIX&H@HTHE PRICE/UNIT OF THE MIX IS EQUA
L TO "&V".@HTHE PRICE/UNIT OF THE MIX IS
 EQUAL TO "&V". &V = `400'@I(7,I,400)@S@
RCHECK&D(0,REREAD THE PROBLEM. CHECK YOU
R ANSWERS. EVALUATE THE REMAINING EXPRES
SION.)@PSUBSTITUTE FOR "&V" IN THE EXPRE
SSION FOR THE PRICE OF THE MIX.  NOW CAL
CULATE.@H15&V = 15*400 = `6000' CENTS@HE
NTER `6000'.@I(15,I,6000)&D(0,MAKE SURE 
THE SUM OF THE PRICES OF THE COFFEES EQU
ALS THE MIX PRICE.)@JTHIS ENDS THE TUTOR
IAL. YOU ARE NOW READY TO SOLVE SOME PRO
BLEMS. CHOOSE "MIXTURE PROBLEMS" "LEVEL 
2".&D(0,)|&
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