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A country has a population of 300 million and a total growth rate of 0.27 percent. What is the simple increase in one year?

Answer and explanation

Correct answer: 810000

A percentage rate is applied to the population base. The country has 300 million people, and the annual total growth rate is 0.27 percent. Convert the percentage to a decimal by dividing by 100, then multiply it by the population.

The calculation is \(300000000\times\frac{0.27}{100}=810000\). Therefore, the simple increase in one year is 810,000 people, so option C is correct. This is an increase in number of people, not a new population total. Options A, B, and D result from using an incorrect percentage or multiplying by the wrong rate. Even a small rate can produce a large absolute increase when the population base is very large.

Related tags

Growth Rate CalculationLarge Population BaseAbsolute IncreaseAnnual GrowthPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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