The
rodent population in our city is currently estimated at 30,000. If it grows at
the rate of 8.5%...

Question

The
rodent population in our city is currently estimated at 30,000. If it grows at
the rate of 8.5% per year, when will the population reach 100,000?

Robert · Accepted Answer

Answer:- 
Current Rodent population estimation (I) = 30,000 
Rate of growth (r) = 8.5 % per year 
Final population (A) = 100,000 
Let the time taken be t years. 
Now, the population after 1 year will be I*(1+r) 
After 2 years :- (I*(1+r))*(1+r) = I*(1+r)2 
Therefore,

The rodent population in our city is currently estimated at 30,000. If it grows at the rate of 8.5% per year, when will the population reach 100,000?

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