document.write( "Question 498965: Find how many units of each mix are needed to meet daily requirement.\r
\n" ); document.write( "\n" ); document.write( "Daily req. should be = 30g of Protein, 16g of Fat, and 24g of Carb\r
\n" ); document.write( "\n" ); document.write( "Only 3 available mixes with the following grams of nutrient per unit(see below):
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\n" ); document.write( "Mix X --- Protein 4 --- Fat 6 --- Carb 3
\n" ); document.write( "Mix Y --- Protein 6 --- Fat 1 --- Carb 2
\n" ); document.write( "Mix Z --- Protein 4 --- Fat 1 --- Carb 12
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Algebra.Com's Answer #337283 by chessace(471)\"\" \"About 
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L1: 4x+6y+4z=30 --> 2x+3y+2z=15
\n" ); document.write( "L2: 6x+y+z=16
\n" ); document.write( "L3: 3x+2y+12z=24
\n" ); document.write( "L4(L1*3): 6x+9y+6z=45
\n" ); document.write( "L5(L4-L2): 8y+5z=29
\n" ); document.write( "L6(2*L3 - L2): 3y+23z=32
\n" ); document.write( "L7(8*L6 - 3*L5): 169z=169
\n" ); document.write( "z=1
\n" ); document.write( "8y=24
\n" ); document.write( "y=3
\n" ); document.write( "6x+4=16
\n" ); document.write( "x=2
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