the next year.
net increase or decrease percent in the initial population.
76
Anil gets
of amount that Ragh
4. The population of a place in a particular year increased by 15%. Next year, it decreased by 15%
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Answer:
On the face of it, it would seem to be a net change of 0. But let's work it out and see that it isn't!
We start with a population - let's call that P.
It increases by 15%, so that is:
1.15
P
And now it decreases by 15% - we can do that by saying the population is now 85% of what it was:
0.85
(
1.15
)
P
=
.9775
P
This means the population is lower than it started with and is lower by:
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