Solve.The population of a certain country is growing at a rate of 1.4% 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 whole year.)
A. 49 years
B. 51 years
C. 52 years
D. 50 years
Answer: D
Mathematics
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