Question

The population of a state is increasing at the rate of 4 if the population of a state in December 2006 was 80,000 then find the population in December 2008

Answer 1

if this rate is 2 years then...

80000+80000×4×2÷100 = 80000+6400 = 86400

and if this rate is only one year then...
8000×104×104÷(100×100) = 86528