Unformatted text preview: + 0.75 W 40 0.5 D + 1 W 60 D, W 0 X1 = number of desktop computers, X2 = number of laptop computers MAX 600 X1 + 900 X2 ST X1 80 X2 75 2 X1 + 3 X2 300 X1, X2 0 24. T= number of TV ads to run, M = number of magazine ads to run MIN 500 T + 750 P ST 3T + 1P 14 ‐1T + 4P 4 0T + 2P 3 T, P 0 Chapter 3 13. a. X1 = Number of country tables to produce X2 = Number of contemporary tables to produce MAX 350 X1 + 450 X2 ST 1.5 X1 + 2 X2 1,000 3 X1 + 4.5 X2 2,000 2.5 X1 + 1.5 X2 1,500 X1/ ( X1 +X2) 0.20 implement as X1 0.2( X1 +X2) X2/ ( X1 +X2) 0.30 implement as X2 0.3( X1 +X2) Xi 0 Many students attempt to implement the ratio constraints in their original form; resulting in a division by zero error at the null solution and a message from Solver that the model is not linear. The algebraic equivalence of the alternate form of these constraints (given parenthetically above) should be noted. 14. a. P1 = Units of product 1 to make P2 = Units of product 2 to make P3 = Units of product 3 to make MAX ST 90P1 + 120P2 + 150P3 2P1 + 2P2 + 1P3 ≤ 400...
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 Spring '08
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 X1, TI, Shoe Manufacturing Company, Eastman Publishing Company

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