document.write( "Question 1140868: A new type of pump can train a certain pool in 4 hours. An older pump can drain a pool in 6 hours. How long will it take both pumps working together to drain the pool? Do not do any rounding. \n" ); document.write( "
Algebra.Com's Answer #761380 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! ---------------------------------------------------------- \n" ); document.write( ",... pump can \n" ); document.write( "---------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Solve!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "--\r \n" ); document.write( "\n" ); document.write( "New pump drains the pool in 4 hours. \n" ); document.write( "Old pump drains the pool in 6 hours. \n" ); document.write( "The draining rate unit is in POOLS PER HOUR.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The sum of the two individual rates is the rate for the two combined pumps working together.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "New pump drains pool at \n" ); document.write( "Old pump drains pool at \n" ); document.write( "The TIME for the two working together, you can calculate, and not yet knowing it, you may call this time, x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Solve for x. \n" ); document.write( "(Basic Arithmetic) \n" ); document.write( " |