Use the two-stage method to solve. Find x, 20, x2 2 0, and x3 20 such that X1 + X2 + 2x3 < 38 2x1 + X2 + X3 221 and z= 3x, + 2x2 + 2x3 is maximized. ..... The maximum is z = D, x2 =, and x3 =. when X1 %3D

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