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If a country's natural increase rate is 12 per thousand, approximately what percentage is this?

Answer and explanation

Correct answer: 1.2 percent

The expression “per thousand” means a value out of 1,000. To convert it into a percentage, divide by 1,000 and multiply by 100, because a percentage is a value out of 100. Therefore, 12 per thousand is not 12 percent; it is a much smaller proportion.

The calculation is \(\frac{12}{1000}\times100=1.2\) percent. Hence option B is correct. Equivalently, 12 people in every 1,000 are one person in about 83.3, which is close to 1.2 in every 100. The values 0.12 percent and 12 percent result from incorrect conversion, while 120 percent is impossible for this rate.

Related tags

Per Thousand ConversionNatural IncreasePercentage RateDemography MathsPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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