A conservation determines that a particular beach is eroding at a rate of 1.1% each year. When writing an explicit formula to represent the amount of beach remaining each year, which value should she use as the common ratio?

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Mathematics

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15 April, 11:58

A conservation determines that a particular beach is eroding at a rate of 1.1% each year. When writing an explicit formula to represent the amount of beach remaining each year, which value should she use as the common ratio?

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Alice Duarte · Answer 1

The value that should be used when one wants to determine the the amount of beach remaining after each is the common ration. This is because the the common ratio gives the percentage decrease or increase in value proportional to the original value. In our case the common ratio that should not miss in the model is 1.1%~ 0.011.

Answer is: the common ratio is 1.1%