Calculate using graphical method.
Min Z = 6X1 +4X2
Subject to 2x1 +3x2 ≥ 40
8x1 +4x2 ≥ 60
4x1+8x2 ≥ 68
X, X2 ≥ 0
Min Z = 6X1 +4X2
Subject to 2x1 +3x2 ≥ 40
8x1 +4x2 ≥ 60
4x1+8x2 ≥ 68
X, X2 ≥ 0