SOLUTION: If 4 boys can clean the gymnasium in 2 hours, how many minutes will it take 5 boys to do the job?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: If 4 boys can clean the gymnasium in 2 hours, how many minutes will it take 5 boys to do the job?      Log On


   

Question 398793: If 4 boys can clean the gymnasium in 2 hours, how many minutes will it take 5 boys to do the job?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
4 boys ------------- 2 hours
5 boys -------------x hours
indirect variation
5/4=2/x
x=8/5
..
8/5 * 60 = 96 minutes
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