Question

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 3.2%?

HINT: Do not convert the growth rate to a decimal before dividing.

A. 22 years
B. 26 years
C. 18 years
D. 30 years

Answer 1

I believe it is 22 years. 
Again, math questions do not go in the spanish field:)

Answer 2

the answer is A i hoped i helped