As of the year 2000, the African nation of Chad had one of
Chapter 5, Problem 7(choose chapter or problem)
As of the year 2000, the African nation of Chad had one of the highest population growth rates in the world, 3.3%/year. At the other extreme in 2000, the United Kingdom had one of the lowest (positive) growth rates, 0.1%/year. (There are countries with zero or with negative growth rates.) (a) In 2000 the sizes of the populations of Chad and the United Kingdom were 8.0 million and 59.8 million, respectively. Write the exponential growth law for each country, letting t 0 correspond to 2000. (b) Assuming exponential growth, when would the two countries have populations of the same size? Round the answer to the nearest five years. Hint: Equate the two expressions for N(t) obtained in part (a).
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