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01-12-2016
Mathematics

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At 1:00 pm the water level in a pool is 13 inches. At 1:30pm the water level is 18 inches. At 2:30pm the water level is 28 inches. What is the constant rate of change?

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01-12-2016

The constant rate of change is +5 inches per half hour. Divide 5 by 30 of you want to find the rate of change per minute.

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