Question

the population of a town is 50000 if the annual emigration rate is 6% and the annual immigration rate is 4% calculate the population after 2 year

Answer 1

6% of 50,000 is 3000
4% of 50,000 is 2000

Emigration means they are leaving the town. So -3000
Immigration means they are coming in. So +2000

-3000+2000= -1000

After first year the total is 49000

6% of 49000 is 2940
4% of 49000 is 1960

-2940+1960= -980

So 49000-980= 48020.