### Rate of Change (Algebra): A 20,000 gallon swimming pool is being filled at a constant rate.

A http://www.door2math.com production.(Algebra-Rate of Change)? A 20,000 gallon swimming pool is being filled at a constant rate. Over a 5-hour period the water in the pool increases from 1/4 full to 5/8 full. At what rate is the water entering the pool?

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