document.write( "Question 516566: Pipe A can fill a pool in 8 hours, while Pipe b can fill the same pool in 4 hours. Find the number of hours necessary to fill the pool if both pipes worked at teh same time. \n" ); document.write( "
Algebra.Com's Answer #344401 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "I already answered this one.\r
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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