Question

The present population of a town is 15625.If the population increases at the rate of 4% every year. What will be the increase in the population in next 3 years

Answer 1

Step-by-step explanation: first find out the number of population increase by 4% =

15625x4/100=15625/25=625

it mean 625 person increase every year

so in next 3 year population increase = 625x3=1875

the total population in next three year =15625+1875=17500

if you like it give me thanks

Answer 2

Given:

Present population (P) = 15625  

Rate of increase (r) = 4% p.a.  

Period (n) = 3 years  

We know that:

Population after 3 years = $\sf{P(\frac{1+r}{100})^n}$

Substituting the values:

$\sf{= 15625(\frac{1+4}{100})^3}$

By further calculation:

$\tt{= 15625×\frac{26}{25}×\frac{26}{25}×\frac{26}{25}}$