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)![]() ![]() You can put this solution on YOUR website! 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( ". \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 \n" ); document.write( " \n" ); document.write( " |