document.write( "Question 908560: Patrice, by himself, cant paint four rooms in 10 hours. If he hires April to help, they can do the same job together in 6 hours. If he lets April work alone, how long will it take her to paint four rooms? \n" ); document.write( "
Algebra.Com's Answer #551106 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! rate for A alone 10 \n" ); document.write( "rate for A & B together 6 \n" ); document.write( "1/a+1/b=1/x \n" ); document.write( "1/10+1/b=1/6 \n" ); document.write( "1/b=1/6-1/10 \n" ); document.write( "1/b=10/60-6/60 \n" ); document.write( "1/b=4/60 \n" ); document.write( "1/b=1/15 \n" ); document.write( "b=15 \n" ); document.write( "rate for B alone 15 \n" ); document.write( "check \n" ); document.write( "1/10+1/15=1/6 \n" ); document.write( "15/150+10/150=1/6 \n" ); document.write( "25/150=1/6 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |