document.write( "Question 914409: A small pump can fill a pool in one hour less than twice as long as a large pump. If the two pumps were working together, they would fill the pool in 72 minutes (6/5 of an hour). How long would it take the small pump working alone to fill the pool? How long would it take the large pump? \n" ); document.write( "
Algebra.Com's Answer #555095 by richwmiller(17219)\"\" \"About 
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s=2b-1
\n" ); document.write( "1/s+1/b=5/6
\n" ); document.write( "1/(2b-1)+1/b=5/6
\n" ); document.write( "(3b-1)/(b(2b-1)) = 5/6
\n" ); document.write( "b=2
\n" ); document.write( "b=.3\r
\n" ); document.write( "\n" ); document.write( "check to see if either solution is extraneous\r
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