Solve the problem.In the formula N = Iekt, 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 72 million cars in a certain country, increasing by 1.3% annually. How many years will it take for this country to have 90 million cars? Round to the nearest year.

A. 14 yr
B. 17 yr
C. 222 yr
D. 5 yr


Answer: B

Mathematics

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