In the Formula N $\mathrm { N } = \mathrm { Ie }^ { kt }$

Multiple Choice

In the formula N $\mathrm { N } = \mathrm { Ie }^ { kt }$ , 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 5.7%? Round to the nearest year.

A) 8 yr
B) 19 yr
C) 53 yr
D) 1 yr