document.write( "Question 448702: I need help with this homework problem:\r
\n" ); document.write( "\n" ); document.write( "A swimming pool can be filled in 17 hours if water enters through a pipe alone, or in 20 hours if water enters through a hose alone. If water is entering through both the pipes and the hose, how long will it take to fill the pool?
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Algebra.Com's Answer #316245 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
1/17+1/20=1/t
\n" ); document.write( "20/340+17/340=1/t
\n" ); document.write( "37/340=1/t
\n" ); document.write( "37t=340
\n" ); document.write( "t=340/37
\n" ); document.write( "It takes 9.19 hours using both the pipes and the hose to fill the pool..
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