document.write( "Question 293069: Candy and Tom share a paper route. It takes Candy 70 minutes to deliver all the papers, and it takes Tom 80 minutes. How long does it take when they work together? \n" ); document.write( "
Algebra.Com's Answer #211557 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Candy and Tom share a paper route. It takes Candy 70 minutes to deliver all the papers, and it takes Tom 80 minutes. How long does it take when they work together? \n" ); document.write( ". \n" ); document.write( "Candy's rate: \n" ); document.write( "1 route per 70 minutes \n" ); document.write( "Tom's rate: \n" ); document.write( "1 route per 80 minutes \n" ); document.write( ". \n" ); document.write( "Let x = time it takes if they work together \n" ); document.write( "then \n" ); document.write( "x(1/70 + 1/80) = 1 \n" ); document.write( "Multiplying both sides by 5600: \n" ); document.write( "x(80 + 70) = 5600 \n" ); document.write( "x(150) = 5600 \n" ); document.write( "x = 5600/150 \n" ); document.write( "x = 37.33 minutes \n" ); document.write( " |