Question

the population of toun is 64000.if the annual birth rate is 10.7% and the annual death rate is 3.2%,calculate the population after three year

Answer 1

Total population =64000
Birth rate =10.7%
Death rate=3.2%
Birth rate is more than death rate. so difference between birth rate and death rate=10.7%-3.2%=7.5%So there is increase in population.
7.5% of 64000=4800 in 1 year.
Then in three year it is=3*4800=14400
Total population after 3 years = 64000+14400=78400