Question

The city of Lakeside has a population of 22,000 people and is decreasing at a rate of 1.5% The population in 3 years would be

A)Approximately 21,000 people
B)None of the choices are correct
C)Approximately 20,000 people
D)Approximately 25,000 people
E)Approximately 19,000 people

Answer 1

The formula is
P=Ae^rt
P ?
A 22000
R -0.015
T 3years

P=22,000×e^(−0.015×3)
p=21,032

So the answer is
A) Approximately 21,000 people