emmaguentherp3hjd3
03.08.2019 •
Mathematics
It takes a smaller hose 3 times as long to fill a small swimming pool as it does a larger hose. it takes both hoses working together 30 minutes to fill the swimming pool. how long will it take the smaller hose to fill the pool by itself?
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Ответ:
Then the smaller hose used alone will take 3t minutes to fill the pool.
When the hoses are used together for one minute, 1/30 th of the pool volume will be added. Now we can write the following equation:
This simplifies to:
3t = 120
t = 40 minutes.
Therefore the smaller hose will take 3 * 40 = 120 minutes to fill the hose by itself.
The answer is: 120 minutes or 2 hours.
Ответ:
I think B
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