alleryA crew of 15 men finishes a job in 20 days. A crew of 25 men would need
A15 days
B10 days
C12 days
D8 days
Answer & Solution
Correct answer: C. 12 days
The job is 15 x 20 = 300 man-days, so 25 men need 300/25 = 12 days.
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