A garden hose can fill a swimming pool in 5 days, and a larger hose can fill the pool in 4 days. how long will it take to fill the pool if both hoses are used?

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12-02-2018
Mathematics

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A garden hose can fill a swimming pool in 5 days, and a larger hose can fill the pool in 4 days. how long will it take to fill the pool if both hoses are used?

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wolf1728 wolf1728 · Answer 1 · 2018-02-17T06:11:50+01:00

wolf1728 wolf1728

17-02-2018

The formula is:
Total time = (hose1 * hose2) / (hose1 + hose2)
Total time = (5 * 4) / 5 + 4
Total time = 20 / 9
Total time = 2 + (2/9)
Total time = 2.22222...

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