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Within x + 2y ≤ 120, x + y ≥ 60, x ≥ 2y and y ≥ 0, how large can 5x + 10y get?
A300
B400
C600
D900
Answer & Solution
Correct answer: C. 600
Corner points (60,0), (120,0), (60,30), (40,20) give Z = 300, 600, 600, 400, so the maximum is 600.
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