SOLUTION: Sally takes 4 hours to paint and john takes 6 hours how long will it take both to paint the hours

SOLUTION: Sally takes 4 hours to paint and john takes 6 hours how long will it take both to paint the hours

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Question 437508: Sally takes 4 hours to paint and john takes 6 hours how long will it take both to paint the hours
Answer by rwm(914) (Show Source): You can put this solution on YOUR website!
in one hr sally can paint 1/4 of the house
in one hr john can paint 1/6 of the house
x/4+x/6=1
3x/12+2x/12=1
5x/12=1
5x=12
x=12/5 hrs or 2 2/5 hr or 2 hrs 24 minutes

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