document.write( "Question 971769: using a single hose janet can fill a pool in 7 hours. the same pool can be drained in 8 hours by opening a drainpipe. if janet forgets to close the drainpipe how long would it take her to fill the pool. \n" ); document.write( "
Algebra.Com's Answer #594164 by lwsshak3(11628)\"\" \"About 
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using a single hose janet can fill a pool in 7 hours. the same pool can be drained in 8 hours by opening a drainpipe.
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\n" ); document.write( "let x=amt of time it would take to fill the pool.
\n" ); document.write( "1/7=fill rate
\n" ); document.write( "1/8=drain rate
\n" ); document.write( "x/7-x/8=1
\n" ); document.write( "lcd:7*8=56
\n" ); document.write( "8x-7x=56
\n" ); document.write( "x=56
\n" ); document.write( "if janet forgets to close the drainpipe how long would it take her to fill the pool. 56 hrs\r
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