SOLUTION: Janet can paint a kitchen in 3 hours and Charles can paint the same kitchen in 5 hours . How long would it take for both of them working together to paint the kitchen ?
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Question 1058457: Janet can paint a kitchen in 3 hours and Charles can paint the same kitchen in 5 hours . How long would it take for both of them working together to paint the kitchen ? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Janet can paint a kitchen in 3 hours and Charles can paint the same kitchen in 5 hours . How long would it take for both of them working together to paint the kitchen ?
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Janet does 1/3 per hour.
Charles does 1/5 per hour.
1/3 + 1/5 = 1/t
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3*5/(3+5) = 15/8 hours
