SOLUTION: if you can paint the garage in 10 hours and your brother can paint it in 15 hours, how long will it take the two to paint the garage?
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Question 395963: if you can paint the garage in 10 hours and your brother can paint it in 15 hours, how long will it take the two to paint the garage?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
You do 1/10 per hour, your brother does 1/15 per hour.
Together, 1/10 + 1/15 = 1/6 per hour
--> 6 hours
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