Answer:
it be nine argrgrgrg now fillllllller
Using an exponential function, it is found that you would have $10,240 after 18 years.
<h3>What is an exponential function?</h3>
An increasing exponential function is modeled by:

In which:
- A(0) is the initial value.
- r is the growth rate, as a decimal.
Considering the initial value of $2,500, and the growth rate of 60% every 6 years, the equation is given by:

Hence, after 18 years, the amount is given by:

More can be learned about exponential functions at brainly.com/question/25537936
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Wait it says ur in high school so u can't be over 30. that isn't possible. So what's the problem here? not good at math.
Answer: 100$.
100% - 80% = 20%
20$ / 0.20(20%) =100$