Question

The population of a city was 20,000 in the year 1998. It increased at the rate of 4% p.a. Find the population at the end of the year 2000.

Answer 1

Answer:

population is 34,000

Step-by-step explanation:

Answer 2

Answer:

Hello. Good Afternoon.

The answer with the explanation is given below..

Step-by-step explanation:

Given:-

Population of the city in 1998 -  20,000.

Increment in the population - 4%p.a

Years - 2 years.

To Find:-

Population of the city in the year 2000.

Solution:-

Population of the city in 2000 =

Using the Compound Interest Formula (yearly), we get,

= 20,000 x [1 + 4/100]^2

= 20,000 x [1 + 1/25]^2

= 20,000 x [26/25]^2

= 20,000 x [676/625] {(a/b)^m = a^m/b^m}

= 21,632 (approx.)

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