the annusl rate of growth in population of a certain cityis 8%. If its present population is ,196830. what was the population three years ago?
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Given Population = 196830 , R = 8%, n = 3.
We know that A = P(1+r/100)^n
196830 = P(1+8/100)^3
196830 = P(1.08)^3
P = 196830/1.259712
= 156250.
The population three years ago = 156250.
We know that A = P(1+r/100)^n
196830 = P(1+8/100)^3
196830 = P(1.08)^3
P = 196830/1.259712
= 156250.
The population three years ago = 156250.
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