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If the population of a village is increasing every year by 5% the present population is 4410. Find the population of the village 2 years ago?

If the population of a village is increasing every year by 5% the present population is 4410. Find the population of the village 2 years ago?

Grade:11

1 Answers

Arun
25750 Points
5 years ago
using compounding formula
 
a + b + ab/100
we have 
5+5+25/100=10.25%
so if the population 2 yrs ago be x
then 
x+10.25x/100=4410 
or 110.25x=441000
x=4000 ans

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