Operations research
posted by Pauline .
36) Consider the following minimization problem:
Min z = x1 + 2x2
s.t. x1 + x2 ≥ 300
2x1 + x2 ≥ 400
2x1 + 5x2 ≤ 750
x1, x2 ≥ 0
What is the optimal solution?

In the real or integer domain?
If integer domain, have you done linear programming yet?
If so, graphics solution or simplex?
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