Question: In Problems, use the simplex method or Excel. Assume that all variables are nonnegative. Minimize f = x + 2y + z subject to x

In Problems, use the simplex method or Excel. Assume that all variables are nonnegative.

Minimize f = x + 2y + z subject to
x + 3y + 2z ≥ 40
x + y + z ≥ 30
x + y + z ≤ 100

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