The population of a city increases @ 4% p.a.
The population of a city increases @ 4% p.a. There is an additional annual increase of 4% of the population due to the influx of job seekers, find the % increase in population after 2 years ?
Answer/Solution
16.64%
Steps/Work
total annual increament in population = 4+4 = 8%
let the population be x
Population after 2 years = 1.08x +.0864x
Population increase = 1.08x + .0864x - x
%increase = ((1.08x + .0864x - x)/x )*100
= ( 1.08 + .0864 - 1 )*100
=.1664*100
=16.64%
ANSWER:C
let the population be x
Population after 2 years = 1.08x +.0864x
Population increase = 1.08x + .0864x - x
%increase = ((1.08x + .0864x - x)/x )*100
= ( 1.08 + .0864 - 1 )*100
=.1664*100
=16.64%
ANSWER:C