Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-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 69
Million cars in a certain country, decreasing by 6.3% annually. How many years will it take for this
Country to have 51 million cars? Round to the nearest year.

A) 46 yr
B) 5 yr
C) 3 yr
D) 2 yr