Math Problem Statement
Aaron invested $7,500 in an account paying an interest rate of 1.5% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest hundred dollars, would be in the account after 8 years?
Solution
To calculate the amount of money in the account after 8 years with continuous compounding, we use the formula for continuously compounded interest:
Where:
- is the amount of money in the account after time .
- is the principal amount (initial investment), which is $7,500.
- is the annual interest rate (as a decimal), which is 1.5%, or 0.015.
- is the time in years, which is 8 years.
- is the base of the natural logarithm (approximately 2.71828).
Substituting the values:
Let's calculate this.After 8 years, the amount of money in the account would be approximately $8,500, rounded to the nearest hundred dollars.
Would you like more details or have any questions?
Here are 5 related questions you might find interesting:
- How much would the account hold after 10 years with the same interest rate?
- What would the future value be if the interest rate were 2% instead of 1.5%?
- How much interest would Aaron earn over 8 years?
- How would the final amount change if the interest were compounded annually instead of continuously?
- What is the effective annual rate (EAR) for the continuous compounding at 1.5%?
Tip: Continuous compounding grows money faster than periodic compounding because interest is added an infinite number of times per year, albeit in infinitesimally small amounts.
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Math Problem Analysis
Mathematical Concepts
Continuous Compounding
Exponential Growth
Formulas
Continuous compounding formula A = P * e^(rt)
Theorems
-
Suitable Grade Level
Grades 10-12
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