Question

if one countrys population is 115 million now daysand it is increasing at the rate of 2.4% what will be the total no of population after 20 years

Answer 1

Explanation:

We can do this by the formula of Simple interest.

S.I = P * R * N/100

Where P is the Principal

R is the Rate

N is the no. of years.

Substituting this to the problem,

1150000000 * 2.4 * 20/100

=552000000 people will be more in 20 years.

So, Adding the previous and this to get a new population,

1150000000 + 552000000 =1702000000 people

Answer 2

this will be the formula to find out the poupulation

Explanation:

taking the current population size and subtracting the previous population size. Divide that amount by the previous size. Multiply that by 100 to get the percentage.

hope it helps