SOLUTION: The time T to do a job varies inversely as the number of people P working. It takes 10 hours for 5 bricklayers to build a park wall. How long will it take for 12 bricklayer

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Question 283215: The time T to do a job varies inversely as the number of
people P working. It takes 10 hours for 5 bricklayers to
build a park wall. How long will it take for 12 bricklayers
to complete the job?

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
10 hours and 5 bricklayers means 10*50 manhours needed assuming that everyone works at the same level and pace (which we know isn't true)
50/12=4 hours and 10 minutes

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