A linear programming problem is given as follows: Transform the problem into standard Solve the problem by using the computer maximize      Z = 50x1 + 80x2 + 64x3 + 80x4 Subject to                   5x1 + 2.5x2 + 4.5x3 + 3.99x4 ≤ 600 4.1x1 + 2.6x2 + 5.5x3 + 1.9x4 ≤ 500 15x1 + 22x2 + 18x3 + 25x4 ≤ 400 8x1 + 12.6x2 + 9.7x3 + 10.55x4 ≤ 1700 x1 + x2 / x1 + x2 + x3 + x4 ≥ 0.60 x1, x2, x3, x4 ≥ 0

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A linear programming problem is given as follows:

  1. Transform the problem into standard
  2. Solve the problem by using the computer

maximize      Z = 50x1 + 80x2 + 64x3 + 80x4

Subject to                   5x1 +

2.5x2

+ 4.5x3

+ 3.99x4 ≤ 600

4.1x1 +

2.6x2

+ 5.5x3

+ 1.9x4 ≤ 500

15x1 +

22x2

+ 18x3

+ 25x4 ≤ 400

8x1 +

12.6x2

+ 9.7x3

+ 10.55x4 ≤ 1700

x1 + x2 / x1 + x2 + x3 + x4 ≥ 0.60

x1, x2, x3, x4 ≥ 0

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