document.write( "Question 900179: One pump can fill a pool in 10 hr. Working with a second slower pump, the two pumps together can fill the pool in 6 hr. How fast can the second pump fill the pool by itself? \n" ); document.write( "
Algebra.Com's Answer #545821 by nathany1280(5)\"\" \"About 
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the first pump obviously pumps faster and pumps in 10hr. with the 2nd pump, it pumps in 6hr. You would do 10-6 because you know how long the first one pumps and you subtract it to find how much faster does the 2nd one pump. then you add 4 to the 10 which is 14hr. \r
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\n" ); document.write( "\n" ); document.write( " Answer: 14hr for the 2nd pump to fill the pool
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