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The formula below gives T, the approximate time in years it takes a population to double if the annual growth rate is r percent.


T=70/r




According to this formula, about how long will it take a population to double if the annual growth rate is 2.4%?


The formula below gives T, the approximate time in years it takes a population to double if the annual growth rate is r percent.


T=70/r




According to this formula, about how long will it take a population to double if the annual growth rate is 2.4%?