document.write( "Question 631022: Christopher can paint his house in 66 hrs. If he hires cynthia to help him they can do the same job together in 54hrs. If he lets cynthia work alone, how long will it take her to paint the house? \n" ); document.write( "
Algebra.Com's Answer #397280 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
Christopher can paint his house in 66 hrs. If he hires cynthia to help him they can do the same job together in 54hrs. If he lets cynthia work alone, how long will it take her to paint the house?
\n" ); document.write( ".
\n" ); document.write( "Let x = time (hours) it takes Cynthia to work alone
\n" ); document.write( "then
\n" ); document.write( "54(1/66 + 1/x) = 1
\n" ); document.write( "54(x + 66) = 66x
\n" ); document.write( "54x + 3564 = 66x
\n" ); document.write( "3564 = 12x
\n" ); document.write( "297 hours = x
\n" ); document.write( "
\n" ); document.write( "
\n" );