document.write( "Question 110107: One pipe can fill a pool in 9 hours. If a second pipe is used at the same time it will fill the pool in 3 hours. How long would it take the second pipe to fill the pool on it's own. \n" ); document.write( "
Algebra.Com's Answer #80215 by Kkray93(1)\"\" \"About 
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It will take it 6 hours to fill the pool. \n" ); document.write( "
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