Solve the Problem $$\mathrm { N } = \mathrm { I } \mathrm { e } ^ { \mathrm { kt } }$$

Multiple Choice

Solve the problem.
-In the formula N $$\mathrm { N } = \mathrm { I } \mathrm { e } ^ { \mathrm { kt } }$$ 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 double if its annual growth rate is 6.9%? Round to the nearest year.

A) 29 yr
B) 1 yr
C) 10 yr
D) 4 yr