SOLUTION: In 1990, the population of a twon was 32000 and was increasing at the rate of 3.2% per year
Estimate the time for this town's population to double
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Question 107368: In 1990, the population of a twon was 32000 and was increasing at the rate of 3.2% per year
Estimate the time for this town's population to double
Answer by Annabelle1(69) (Show Source): You can put this solution on YOUR website!
You can use a compound interest formula for this problem even though its not money but people>......
where p is the initial population, r is the rate of increase and A is the final population. We want the time in years, n.
So we know that
dividing through by 32000
take log of both sides
n=22years
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