A town 3
A town with 12,000 people has been growing at a rate of 2.5% per year. How many years ago was the population 8,000?
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- exponential equation
- geometric progression
- expression of a variable from the formula
- basic functions
- percentages
- logarithm
- exponential function
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