Question

Asked Sep 11, 2019

With water from one hose, a swimming pool can be filled in 7 hours. A second, larger hose used alone can fill the pool in 2 hours. How long would it take to fill the pool if both hoses were used simultaneously?

hr

Step 1

Let *t* be the time to fill pool using both hoses.

The rate of filling water for the smaller hose is 1 pool / 7 hrs.

The rate of filli...

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