Asked by Katie
Hi,
Can you please help me. Thank-you.
The present population of a town is 42000.
a) Determine the population 4 years ago if the growth rate has been a constant 4%/year.
b) Determine the number of complete years that have passed since the town first had a population of less than 13000.
Can you please help me. Thank-you.
The present population of a town is 42000.
a) Determine the population 4 years ago if the growth rate has been a constant 4%/year.
b) Determine the number of complete years that have passed since the town first had a population of less than 13000.
Answers
Answered by
TchrWill
a) 42,000 = P(1.04)^4 making the population 4 years ago 35,902.
b) 42,000 = 13,000(1.04)^n making n = 29.9 or 29 whole years.
b) 42,000 = 13,000(1.04)^n making n = 29.9 or 29 whole years.
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