document.write( "Question 448702: I need help with this homework problem:\r
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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? \n" );
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Algebra.Com's Answer #316245 by jorel1380(3719)![]() ![]() 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.. \n" ); document.write( " |