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

check_circleExpert Solution
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...

1
+
7
1
1
2
t
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1 + 7 1 1 2 t

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