SOLUTION: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together?

SOLUTION: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together?

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Question 21534: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together?
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
1/4+1/6
3/12+2/12
5/12
Hence it takes them 5/12hours to [paint the house together
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