the population of a village increases every year by 5%. at the end of 2 years the total population of the village will be 16200 when 1440 people will migrate to other place, what was the population of the village in the beginning?
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Step-by-step explanation:
Let P be the population two years ago.
∴ P(1+
100
5
)
2
=104832
P(
100
105
)
2
=104832
P×
100
105
×
100
105
=104832
P=
105×105
104832×100×100
=95085.71
=95,086 (rounding off to the nearest whole number)
∴ Two years ago the population was 95,086.
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