document.write( "Question 958957: An inlet pipe on a swimming pool can be used to fill the pool in 21 hours. The drain pipe can be used to empty the pool in 28 hours. If the pool is 1/4 filled and then the inlet pipe and drain pipe are opened, how long from that time will it take to fill the pool?
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Algebra.Com's Answer #586062 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! The job is to fill \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |