SOLUTION: If bob can paint a house in 5 hours and joe can paint a house in 3 hours how many hours will it take to paint a house together?

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Question 799150: If bob can paint a house in 5 hours and joe can paint a house in 3 hours how many hours will it take to paint a house together?
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Add their rates of painting
Bob's rate: ( 1 house ) / ( 5 hrs )
Joe's rate: ( 1 house ) / 3 hrs )
Let = the time in hours for
them to paint the house together
----------------------------

Multiply both sides by



minutes
It will take them 1 hr and --- minutes
( you can do the above calculation )

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