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%?