Example 14: The population of a city was 20.000 in the year 1997. It i

1.	Example 14: The population of a city was 20.000 in the year 1997. It incrcased atthe rate of5% pa. Find the population at the end of the year 2000.
Answer» Population in 1997 P = 20000Population in 2000 A =?Rate of Increase R = 5%Number of years n = 3 Then,A = P(1 + R/100)^3 = 20000(1 + 5/100)^3 = 20000(21/20)^3 = 20000(1.157) = 23140 Therefore population at the end of year 2000 is 23140

Example 14: The population of a city was 20.000 in the year 1997. It incrcased atthe rate of5% pa. Find the population at the end of the year 2000.

Answer»

Population in 1997 P = 20000Population in 2000 A =?Rate of Increase R = 5%Number of years n = 3

Then,A = P(1 + R/100)^3 = 20000(1 + 5/100)^3 = 20000(21/20)^3 = 20000(1.157) = 23140

Therefore population at the end of year 2000 is 23140