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The population of a city has increased by 33% since it was last measured. If the current population is 39900, what was the previous population?

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解答

Thepopulationofacityhasincreasedby33%sinceitwaslastmeasured.Ifthecurrentpopulationis39900,whatwasthepreviouspopulation?

解答

Amountbeforeaddition:30000
求解步骤
Translate the problem into an equation:39900=x+0.33x
39900=x+0.33x:x=30000
Amountbeforeaddition:30000

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