SOLUTION: if 10 men take 3 day to complete a piece of work.how may days will 2 men take to complete the same work?

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Question 509741: if 10 men take 3 day to complete a piece of work.how may days will 2 men take to complete the same work?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
10 men take 3 days
1 man will take 10 times as long to finish, or
30 days
2 men will take half of that time, or 15 days