SOLUTION: If it takes 5 men 8 weeks to build 2 barns, how long will it take 12 men to build 15 barns?

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Question 527364: If it takes 5 men 8 weeks to build 2 barns, how long will it take 12 men to build 15 barns?
Answer by lwsshak3(6505) About Me  (Show Source):
You can put this solution on YOUR website!
If it takes 5 men 8 weeks to build 2 barns, how long will it take 12 men to build 15 barns?
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It takes 5*8=40 man-weeks to build 2 barns
To build 15 barns it would take 15/2*40=300 man-weeks
300 man-weeks/12 men=25 weeks
ans:
It would take 12 men 25 weeks to build 15 barns