SOLUTION: Sam can paint a house in 4 hours, John can paint the same house in 6 hours. How long will it take for both of them to paint the house together?

SOLUTION: Sam can paint a house in 4 hours, 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 315079: Sam can paint a house in 4 hours, 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 Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Sam does 1/4 of the house per hour.
John does 1/6 per hour.
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What part do they do together?

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