Homework Help: Algebra

Posted by TinaG on Monday, May 24, 2010 at 9:54pm.

One pipe can fill a swimming pool in 8 hours.
Another pipe takes 12 hours. How long will it take to fill the pool if both pipes are used simultaneously?

Algebra - Anonymous, Wednesday, May 1, 2013 at 1:21pm
Pipe A will fill 1/8 of the pool is 1 hour. Pipe B will fill 1/12 of the pool in 1 hour.

So, 1/8 + 1/12 = 5/24

It will take 4.8 hours to fill the pool.

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