Linear Programming
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8. Consider the following minimization problem.
Min z = x1 + 2x2
s.t. x1 + x2 300
2x1 + x2 400
2x1 + 5x2 750
x1, x2 0
Which constraints are satisfied at the optimal solution (x1 = 250, x2 = 50)?
9. Consider the following minimization problem.
Min z = 1.5x1 + 2x2
s.t. x1 + x2 300
2x1 + x2 400
2x1 + 5x2 750
x1, x2 0
What are the optimal values of x1, x2, and z ?
10. Consider the following linear programming problem:
Max Z = $15x + $20y
Subject to : 8x + 5y 40
0.4x + y 4
x, y
Determine the values for x and y that will maximize revenue. Given this optimal revenue, what is the amount of slack associated with the first constraint?
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Solution Summary
An LP problem is solved with full working using a graphical method.
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