Solve.The population of a certain country is growing at a rate of 2.3% per year. How long will it take for this country's population to double? Use the formula  which gives the time, t, for a population with growth rate k, to double. Round to the nearest year.

A. 31 yr
B. 32 yr
C. 29 yr
D. 30 yr


Answer: D

Mathematics

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