SOLUTION: It takes three people five hours to do the yard work.How long will it take six people to the yard work of the same size

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Question 984527: It takes three people five hours to do the yard work.How long will it take six people to the yard work of the same size
Answer by ikleyn(52790) About Me  (Show Source):
You can put this solution on YOUR website!

It takes  3*5 = 15 man-hour to do the work.

If you have  6  people,  then it will take  15%2F6 = 21%2F2  hours to do the same work.