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

Multiple Choice

In the formula N $\mathrm { N } = \mathrm { Ie }^ { kt } , \mathrm { N }$ 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 66 million cars in a certain
Country, increasing by 0.7% annually. How many years will it take for this country to have 87 million cars?
Round to the nearest year.

A) 39 yr
B) 435 yr
C) 5 yr
D) 30 yr