document.write( "Question 872547: A pipe fills 1 tank in 8 h. A second pipe fills the tank in 12 h. How long does it take to fill the tank with both pipes filling the tank \n" ); document.write( "
Algebra.Com's Answer #526215 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
This problem (maybe with different numbers) has been solved 1000's of times.
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