Question

The population of a city increases 15% annually. If the present population is 20,700, find the
population an year ago​

Answer 1

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Step-by-step explanation:

Let us take the population one year ago be x.

Then the population after one year = 115x/100.

But it is given 20700.

So Atq. ,115x/100= 20700

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or x.= 20700×100/115

Therefore x =18000.

Therefore the population one year was 18000.

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