document.write( "Question 1170195: an inlet pip can fill a pool in 10 hours and the drain can empty it in 15 hours. if the pool is 1/3 of the way full and both the inlet and the drain pipes are open, how long will it take to fill the rest of the pool? \n" ); document.write( "

Algebra.Com's Answer #795050 by josgarithmetic(39617) $\"\"$ $\"About$

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FILL rate in $\"pools%2Fhour\"$ is $\"1%2F10-1%2F15\"$ .\r
\n" ); document.write( "\n" ); document.write( "Question means, how much time to fill $\"2%2F3\"$ of the pool, since $\"1%2F3\"$ pool is already filled.\r
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\n" ); document.write( "20 hours
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