document.write( "Question 994052: Two painters, working together, can paint a house in 3 days.
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document.write( "One painter working alone can paint the house in 4 days.
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document.write( "How many days would it take the second painter, working alone,to paint the house. \n" );
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Algebra.Com's Answer #613257 by ikleyn(52786)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Two painters, working together, can paint a house in 3 days. \n" ); document.write( "One painter working alone can paint the house in 4 days. \n" ); document.write( "How many days would it take the second painter, working alone,to paint the house. \n" ); document.write( "------------------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let \n" ); document.write( "\n" ); document.write( "Then the second painter paints \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The first painter can paint \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Working together, they paint \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It gives an equation\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Simplify and solve it. Multiply both sides by 12x (it is the common denominator). You will get\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x + 12 = 4x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hence, x = 12.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer. The second painter can paint the house in 15 days.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For more problems on joint work see the lesson Using fractions to solve word problems on joint work in this site.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |