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December 25, 2014

December 25, 2014

Posted by **Will** on Tuesday, June 2, 2009 at 11:22pm.

- Math -
**MathMate**, Tuesday, June 2, 2009 at 11:26pm20 days are required for 4 people to build a house. So it takes 4*20=80 man-days.

If we have 6 people, then it*should*take 80/6=13.3 days to finish the house.

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