The population of a town today is 40000 people.

Question

If the population decreases with a constant rate of change and the decrease is 6% in the first year, what will the town's population be in 10 years?

Answer 1

If it decreases by 6% each year then at the end of a year the population will be 0.94 times what it was at the start of the year.  Apply this for 10 years and you are left with

 

P = 40,000 (0.94)¹⁰ ≅ 21,545