document.write( "Question 1152252: It takes an older pump 3 times as long to drain a certain pool as it does a newer pump. Working together, it takes the two pumps 9 hours to drain the pool. How long will it take the older pump to drain the pool working alone? \n" ); document.write( "
Algebra.Com's Answer #774231 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Rate for old pump \n" ); document.write( "Rate for new pump \n" ); document.write( "Rate for both pumps combined \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |