document.write( "Question 913175: A pipe can fill a swimming pool in 10 hrs.if a second pipe is opened,the two pipes together can fill the pool in 4 hours.how long would it take the second pipe alone to fill the pool?
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Algebra.Com's Answer #554337 by josgarithmetic(39617)\"\" \"About 
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x, time for second pipe alone to fill the pool.\r
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\n" ); document.write( "\n" ); document.write( "Fill rate unit is pool per hour
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