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12 June, 14:53

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

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Answers (2)
  1. 12 June, 15:32
    0
    the answer is 19.667
  2. 12 June, 18:33
    0
    10 inches per hour

    Step-by-step explanation:

    The water level was 13 inches at 1 PM. In 30 minutes (So in 1:30 PM) the water level was 18 inches, so it had increased by 5 inches in 30 minutes (Which is 10 inches in 1 hour). The rate of change is how much it has risen per time, we can also check that between 1; 30 pm and 2:30 pm, which are 1 hour apart, the water level had risen from 18 inches to 28 inches, which is 10 inches in an hour.
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