SOLUTION: Nelson can paint a gym in 7 hours. His assistant, Mike, takes 12 hours to paint the same gym. How long will it take them to paint the gym working together?
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Question 633974: Nelson can paint a gym in 7 hours. His assistant, Mike, takes 12 hours to paint the same gym. How long will it take them to paint the gym working together? Answer by richwmiller(17219) (Show Source):
