Mathematics
YelenaWehn95
20

Suppose the population of a country in 1985 was 145 million. In 1995 it was 190 million. Use the formula P = Ae* kt to setup an expression to estimate the population of the country in 2005.

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ElizbethLiddle208

we can translate the given data into two points:  (0, 145 million) and (10, 190 million)Substituting to the equation P = Ae^kt, then145 million  = A e ^ k* 0A = 53342518.97 Also, 190 million = 53342518.97* e^k^10k = 0.127 When t is equal to 20, thenP = 53342518.97 e^ 0.127*20p = 676 million 

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