new question

Forum for the GRE subject test in mathematics.
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kavehmo
Posts: 13
Joined: Sun Apr 29, 2012 4:00 am

Re: new question

Post by kavehmo » Fri Jul 06, 2012 3:12 pm

Total work (man-day) = work force (man) * time (day)
Total work = 15 * 60 = 900

needed work force = 900/25 =36



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