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If there are 450 births, 600 deaths and net migration 300, what will total change be like?

Answer and explanation

Correct answer: Increase of 150

Direct answer: A, an increase of 150. Apply the formula total change = births − deaths + net migration. The natural change is 450 − 600 = −150, meaning deaths exceed births by 150. Net migration is positive 300, so 300 people are added through migration: −150 + 300 = +150. The final result is therefore an increase of 150 people. A is correct. B is wrong because it stops after calculating natural decrease and ignores the 300 incoming net migrants. C is wrong because the final result is not a decrease of 300; migration offsets the natural decrease. D is wrong because births, deaths, and migration must not all be added. The plus or minus sign of each component is essential.

Related tags

Negative Natural ChangeNet MigrationTotal GrowthCalculationProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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