Question

** Linear Programming ** Max Z = 6x1 + 10x2+9x3 + 20x4 constraint 4x1 + 9x2...

** Linear Programming **

Max Z = 6x1 + 10x2+9x3 + 20x4

constraint
4x1 + 9x2 + 7x3 + 10x4 = 600
x1 + x2+3x3 + 40x4= 400
3x1 + 4x2 + 2x3 + x4 = 500
x1,x2,x3 ,x4 ≥ 0

Find the allowable decrease and increase for x4.

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