The population of a town is 64000. If the annual birth rate is 10.7% and the annual death rate is 3.2% calculate the population after three years
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236
birth rate-death rate
=10.7%-3.2%=7.5%
so,p=64000
r=7.5%
t=3years
a=p(1+r/100)^n
=64000(1+75/1000)^3
=64000(1+3/40)^3
=64000(40+3/40)^3
=64000×43/40×43/40×43/40
=79507 ans
=10.7%-3.2%=7.5%
so,p=64000
r=7.5%
t=3years
a=p(1+r/100)^n
=64000(1+75/1000)^3
=64000(1+3/40)^3
=64000(40+3/40)^3
=64000×43/40×43/40×43/40
=79507 ans
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