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): You can put this solution on YOUR website!
x/7+x/12=1
12x+7x=84
19x=84
x=84/19=4.42
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