Question

the annual rate of growth in population of a certain city is 8 % if its present population is 196830 what was the population 3 years ago..
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question-brainlist
frm compound interest...

Answer 1

I guess so it is right

Answer 2

let the population of 3years ago be x
$x(1\ + \frac{8}{100} )(1 \ + \frac{8}{100} )(1\ + \frac{8}{100} )$


$x ({1 \times \frac{8}{100} })^{3} = 196830$
after calculating....
( for calculation please see the attachment..)
$x = 156250$


Please see the attachment.....
please mark as brainless...