Question

If the population of a country increases at a rate of 1.5% annually, and its current population is 430,000, how many years will it take for the population to triple?

Answer 1

P= 1290000
Po= 430000
using formula:-

Answer 2

\[P=Po \left( 1+r \div100\right)^{n}\]

Answer 3

r=1.5
from this find n

Answer 4

value of n should be 74 years