Wednesday
July 23, 2014

Homework Help: math

Posted by Anonymous on Friday, April 5, 2013 at 10:38pm.

it takes 7 men 10 days to build a garage.Halfway through building the garage they get some help from 3 people and continue to work at the same rate

a)How long will it take to finish of the garage

b)How long did it take

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