document.write( "Question 192171: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?
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Algebra.Com's Answer #144208 by checkley75(3666)\"\" \"About 
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(4*6)/(4+6)=24/10=2.4 hours is the time to paint the house working together.
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