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23-04-2017
Mathematics

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A swimming pool is drained at the end of each summer. Fifteen gallons of water are removed per minute. How much does the amount of water in the pool change in one hour? (There are 60 minutes in one hour.)

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Ultroid Ultroid

23-04-2017

Multiplying -15 by 60 yields -900, so the amount of water in the pool changes by -900 gallons in one hour.

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