document.write( "Question 116230: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together? \n" ); document.write( "
Algebra.Com's Answer #84539 by edjones(8007)\"\" \"About 
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Sally can do 1/4 of the job in 1 hr.
\n" ); document.write( "John can do 1/6 of the job in 1 hr.
\n" ); document.write( "1/6 + 1/4
\n" ); document.write( "=2/12 + 3/12 = 5/12 of the job in 1 hr together so they can do the entire job in 12/5 hrs.
\n" ); document.write( "12/5=2 2/5 hrs or 2 hrs 24 min.
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