Question

The annual rate of growth in population of a certain city is 8%. If its present
population is 1,96,830, what was the population three years ago?​

Answer 1

Step-by-step explanation:

here it is

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Answer 2

Answer:

Let's Assume, population of the city before 3 years was 100.

after 1 year population= 108

after 2years population= 108+(108×8/100)= 116.64

after 3 years population=116.64+(116.64×8/100)=125.9712

Now, let's compare with original population:

125.9712 from 100

then, 1,96,830 from (?)

population before 3 years= 196830×100/125.9712

=1,56,250.