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If a country's population grows by 32 percent over eight years, which statement is definitely correct?

Answer and explanation

Correct answer: Final population is 132 percent of initial population

A 32 percent increase means the final population is the original population plus 32 percent of the original. Therefore final population = 100 percent + 32 percent = 132 percent of the initial population. This conclusion does not require knowing how the increase was distributed across the eight years.

If the initial population is \(P\), the final population is \(P + 0.32P = 1.32P\), or 132 percent of \(P\). Hence option B is definitely correct. The data do not prove that growth was exactly 4 percent every year; equal annual growth would involve compound calculation and is not stated. They also do not reveal the birth rate or migration level, so options C and D cannot be concluded.

Related tags

Total Percentage GrowthFinal PopulationAnnual Rate InterpretationCompound GrowthPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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