Question: Do Exercise 15-1 for the knapsack model (this time with increasing ratio order) min 55x1 + 150x2 + 54x3 + 180x4 s.t. 25x1 + 30x2

Do Exercise 15-1 for the knapsack model

(this time with increasing ratio order)

min 55x1 + 150x2 + 54x3 + 180x4 s.t. 25x1 + 30x2 + 18x3 + 45x4 Ú 40 x1,c, x4 = 0 or 1

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