Maximize Z = 4x1 + 4x2 + 5 x3 2x1 = 5x2 + 7x3 = 300 3x1 + 6x2 + 8x3 = 450 5x1 + 2x2 + 3x3 = 500 x1 > = 0 x2 > = 0 x3 = 0 maximize Z = 5x1 + 2x2 + 2x3 Subject to x1 + 3x2 + 6x3 > = 400 2x1 + 6x2 + 4x3 > = 350 2x1 + 8x2 + 5x3 > = 200 x1 >= 0 x2 >= 0 x3 >= 0