Population increases R% every year and after n years the population becomes P. What was/were the population before n years?

1 Answer
May 21, 2018

P_0 = P / (1 +0.01*R)^n

Explanation:

Let's same P_0 is the Initial (Starting) Population.
To Find Resulting P after n years with a growth rate of R%:
P = P_0(1 + 0.01*R)^n

To find what was the population before n years, we need to solve for P_0:

P_0 = P / (1 +0.01*R)^n