Question: 1. Given the following linear programming model: Minimize Z = 480x7 + 160x2 subject to X1 + x2 >= 40 X1 + 4x2 >= 60

1. Given the following linear programming model:

1. Given the following linear programming model: Minimize Z = 480x7 + 160x2 subject to X1 + x2 >= 40 X1 + 4x2 >= 60 3x1 + x2 >= 60 X1 >= 0, X2 >= 0 a. Solve the LP model graphically and explain the solution result. b. Develop a spreadsheet model and solve using Excel Solver. What is the optimal solution

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