Question

Ans:
18. The population of a city constantly increases at a uniform rate of 10% per year. If the present population
of the city is 18,150 then what was its population in two years back?
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Answer 1

Answer:

Ok

Step-by-step explanation:

Present polulation= 18150

Increase 10 % per year

Before 2 years= 18150/10 % ÷2

= 181500 ÷2

= 90750

Hence 90750 was the population before 2 years

Answer 2

Answer:

Than the adults are about 64℅ of the adults population