document.write( "Question 170832: need help with this one\r
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\n" ); document.write( "\n" ); document.write( "al can paint a house in 10 days and ben can paint the house in 12 how long will it take to paint the house if both men work? \n" ); document.write( "
Algebra.Com's Answer #126120 by stanbon(75887)\"\" \"About 
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al can paint a house in 10 days and ben can paint the house in 12 how long will it take to paint the house if both men work?
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\n" ); document.write( "Al DATA:
\n" ); document.write( "Time = 10 day/job ; Rate = 1/10 job/day
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\n" ); document.write( "Ben DATA:
\n" ); document.write( "Time= 12 day/job ; Rate = 1/12 job/day
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\n" ); document.write( "Together DATA:
\n" ); document.write( "Time = x day/job ; Rate = 1/x job/day
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\n" ); document.write( "rate + rate = together rate
\n" ); document.write( "1/10 + 1/12 = 1/x
\n" ); document.write( "22/(10*12) = 1/x
\n" ); document.write( "x = 120/22
\n" ); document.write( "x = 5.454545...(# of days to do the job together)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "
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