October 7, 2015

Homework Help: Algebra

Posted by Jimmy on Tuesday, June 26, 2012 at 4:30pm.

There is a water tank with a drain of an unknown size that is always open. There is a series of input pipes above it which are all the same size. When 4 pipes are on, it takes 6 hours to fill. When 3 pipes are on, it takes 10 hours to fill. How many pipes would it take to fill the tank in 3 hours?

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