In the formula N=Ie ^kt, N=Ie^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...

In the formula N=Ie ^kt,  N=Ie^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

million cars in a certaincountry, increasing by 55%

annually. How many years will it take for this country to have 7676

millioncars? Round to the nearest year.