SOLUTION: If Sally can paint a house in 4 hours, and John can paint same house in 6 hours, how long will it take for both of them to paint same house together?
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Question 419132: If Sally can paint a house in 4 hours, and John can paint same house in 6 hours, how long will it take for both of them to paint same house together?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Sally paints She 4 hours
It does 1/ 4 of the job in 1 hour
John paints in 6 hours
He does 1/ 6 of thejob in 1 hours
Together they will do 5/12 of the job in 1 hour
So they will take 2 2/5 hours
So they will take 2.4 hours
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