Math, asked by obaid3588, 11 months ago

the population of a town is 8100. it decreases annually at the rate of 10% p.a . what was its population 2 years ago?

Answers

Answered by Delores

0

Answer:

10,000

Step-by-step explanation:

Let last year be x, last 2 years population be y.

This year：8100

8100 = 0.9x

x = 9000

9000 = 0.9y

y = 10,000

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