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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 the r percent T=70/r According to this formula about how long will it take s popul

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

T=70/r

According to this formula about how long will it take s population to double it the annual growth rate is 3.2%

A. 26 years

B. 22 years

C. 18 years

D. 30 years