document.write( "Question 88406: \n" ); document.write( "
Algebra.Com's Answer #64210 by malakumar_kos@yahoo.com(315)![]() ![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( " Sally can paint ahouse in 4 hours and Jane can paint the same in 6 hours. \n" ); document.write( "How it takes if they paint together the same house?\r \n" ); document.write( "\n" ); document.write( " Time taken by Sally to paint the house = 4 hrs \n" ); document.write( " part of the house painted by sally in 1 hr = 1/4 \n" ); document.write( " Time taken by Jane to paint the house =6 hrs \n" ); document.write( " part of the house painted by Jane in 1 hr = 1/6 \n" ); document.write( " \n" ); document.write( " part of the house painted by Sally and Jane together in 1 hr = 1/4+1/6 \n" ); document.write( " [L.C.M of 4,6 = 12] = 3+2/12 \n" ); document.write( " = 5/12 \n" ); document.write( " 5/12 th part of the house is painted by both in 1 hr \n" ); document.write( " Time taken to paint the entire house by both of them together = 1 divided by 5/12\r \n" ); document.write( "\n" ); document.write( " time taken to complete the entire house = 12/5 = 2hrs 24mins \n" ); document.write( " |