Model Exponential Growth and Decay
Solve $2.6 \%$ Per Year How Long Will It Take for This Country's Population

question 219

Multiple Choice

Model Exponential Growth and Decay
Solve.
-The population of a certain country is growing at a rate of $2.6 \%$ per year. How long will it take for this country's population to double? Use the formula $t = \frac { \ln 2 } { k }$ , which gives the time, $t$ , for a population with growth rate k, to double. (Round to the nearest whole year.)

• A) 27 years
• B) 28 years
• C) 29 years
• D) 26 years

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