document.write( "Question 612503: one painter can paint a house in 12 hours, and the second panter can paint a house in 8 hours. how long would it take them to paint the house together? \n" ); document.write( "
Algebra.Com's Answer #385609 by nerdybill(7384)\"\" \"About 
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one painter can paint a house in 12 hours, and the second panter can paint a house in 8 hours. how long would it take them to paint the house together?
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\n" ); document.write( "Let x = time (hours) for both together
\n" ); document.write( "then
\n" ); document.write( "x(1/12 + 1/8) = 1
\n" ); document.write( "multiply both sides by 24:
\n" ); document.write( "x(2 + 3) = 24
\n" ); document.write( "x(5) = 24
\n" ); document.write( "x = 24/5
\n" ); document.write( "x = 4.8 hours
\n" ); document.write( "or
\n" ); document.write( "x = 4 hours and 48 minutes
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