The population of a town increases at the rate of 50 per thousand. if the estimated population after 2years will be 22050,find the present population of the town.
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The population of a town increases at the rate of 50 per thousand. if the estimated population after 2years will be 22050,find the present population of the town.
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Answer:
20000
Step-by-step explanation:
Population increase year-on-year = 50 per 1000 = 5%
Population at year 2 = 22050
Population at year 1 = 22050 / (1 + 5%) = 22050/1.05 = 21000
Population at present = 21000 / (1 + 5%) = 21000/1.05 = 20000