SOLUTION: If 75 men can erect a building in 12 days, how many men, working at the same rate, should erect the same building in 20 days?

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Question 857676: If 75 men can erect a building in 12 days, how many men, working at the same rate, should erect the same building in 20 days?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
If 75 men can erect a building in 12 days, how many men, working at the same rate, should erect the same building in 20 days?
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75 men erecting a building in 12 days=75*12=900 man-days
erecting the same building in 20 days will require 900/20=45 men