Question

14. The population of a town increases by 5% annually. If
its population in 1995 was 138915, what it was in
1992?
(a) 110000
(b). 100000
(c) 120000
(d) 90000
(e) None of these

plz explain in detail.. I'll mark you brainlist​

Answer 1

Let the population in 2006 be x

pop.in 2009 = x × ( 1+5/100)to the power of 3

=1,38,915=x ×(21/20)to the power of 3

x=138915×8000/9261=120,000

I hope this helps you! :)

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