Solve the Problem $$\mathrm { N } = \mathrm { Ie } \mathrm { kt }$$

Multiple Choice

Solve the problem.
-In the formula N $$\mathrm { N } = \mathrm { Ie } \mathrm { kt }$$ N is the number of items in terms of an initial population I at a given time t and k is a growth constant equal to the percent of growth per unit time. How long will it take for the population of a
Certain country to triple if its annual growth rate is 2.3%? Round to the nearest year.

A) 1 yr
B) 21 yr
C) 48 yr
D) 130 yr