SOLUTION: Phillip can clean a garage in 9 hours less time than his brother Chris. Working together, they can do the job in 20 hours. How long would it take each one to do the job alone?
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Question 830196: Phillip can clean a garage in 9 hours less time than his brother Chris. Working together, they can do the job in 20 hours. How long would it take each one to do the job alone? Answer by richwmiller(17219) (Show Source):
