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Write an integer to represent this situation: Draining 15 gallons of water from a fish tank

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Answer:

The integer that representes the draining of 15 gallons of water from a fish tank is
\Delta V = V_(f) - V_(o) = -15\,gal

Explanation:

The gallon is a capacity (volume) units. The draining means that a part of the tank capacity occupied by water is removed. Then, the change in tank capacity is equal to a negative integer. That is:


\Delta V = V_(f) - V_(o) = -15\,gal

Where:


V_(o),
V_(f) - Initial and final capacities in the fish tank, measured in gallons.

Hence, the integer that representes the draining of 15 gallons of water from a fish tank is
\Delta V = V_(f) - V_(o) = -15\,gal

User LMulvey
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