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. There are currently 65 million cars in a certain
Country, increasing by 1.7% annually. How many years will it take for this country to have 81 million cars?
Round to the nearest year.

A) 9 yr
B) 4 yr
C) 13 yr
D) 163 yr