the population of a town is 168000 if the annual birth rate is 12.7 % and the annual death rate is 7.7 percentage then calculate the population of the town after 2 year.
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popluation of town=168000
annual birth rate=12.7%
no. of births in 2 years= 168000×12.7×2/100
=21336 people
annual death rate=7.7%
no. of deaths in two years=168000×7.7×2/100
=12936
total population in 2 years=168000+21336-12936
=176400
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