document.write( "Question 512923: It takes Sara 2 hours to paint a fence and Daniel 4 hours to paint the same fence. How long will it take to paint the fence if they work together? \n" ); document.write( "
Algebra.Com's Answer #342807 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Also, there's a shortcut, it's product/sum \n" ); document.write( "2*4/(2+4) = 8/6 \n" ); document.write( "= 4/3 hours \n" ); document.write( " \n" ); document.write( " |