document.write( "Question 1120279: a pipe can fill a pool in 9 hours, while a drain can empty it in 15 hours. if the pipe and drain were both opened at 12 noon, then at what time will the pool be filled? \n" ); document.write( "

Algebra.Com's Answer #735945 by josgarithmetic(39621) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"1%2F9-1%2F15\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%281%2F9%29%285%2F5%29-%281%2F15%29%283%2F3%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"5%2F45-3%2F45\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2%2F45\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"45%2F2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%2822%261%2F2%29\"$ \r
\n" ); document.write( "\n" ); document.write( "10:30AM the next day \n" ); document.write( "

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