the population of a town is 600000. if birth rate is 7.5% and the death rate is 4.5%p.a find the population of the town after 1 1/2 years
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Answer:
the birth rate is 7.5 %
number of population birth in a year =
7.5/100 X 600000
= 45000
so in one and half year after
45000+ 22500
= 67500
similarly number of people dead in one year =
4.5/100 X 600000
27000
so in one and half year after
27000 + 13500
= 40500
the number of people if town
600000 + ( 67500 - 40500)
62700
the population of town after 1 and half year is equal to 62700
hope this answer will help you
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