During a seven-day period the level of an irrigation pond receded 28 centimeters. write a division expression to represent the change. then determine the average daily change in the level of the pond.

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Mathematics

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31 January, 16:45

During a seven-day period the level of an irrigation pond receded 28 centimeters. write a division expression to represent the change. then determine the average daily change in the level of the pond.

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Francesca Anderson · Answer 1

28/7

The change was 28 centimeters, and the amount of time was 7 days.

So you divide the amount of change by the number of days to get the rate of change which is 28/7, which simplifies to 4. So the average daily change was 4 centimeters.