SOLUTION: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?
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Question 144630: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
4*6/(4+6)=24/10=2.4 hours to do the job together.
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