SOLUTION: Jane can paint a house in 4 hours. John can paint the same house in 6 hours. How long will it take to paint the house if they work together ?

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Question 203323: Jane can paint a house in 4 hours. John can paint the same house in 6 hours. How long will it take to paint the house if they work together ?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
4*6/(4+6)=24/10=2.4 hrs. ans. when they work together.