Find the final amount of money in an account if 38, 800 is deposited at 5 % interest compounded quarterly (every 3 months) and the money is left for 6 years. The final amount is $ Round answer to 2 decimal places Submit Question

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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### Compound Interest Calculation

**Problem Statement:**
Find the final amount of money in an account if $8,800 is deposited at 5% interest compounded quarterly (every 3 months) and the money is left for 6 years.

**Details:**
- Principal (P): $8,800
- Annual Interest Rate (r): 5% or 0.05
- Number of times interest is compounded per year (n): 4 (quarterly)
- Time the money is invested (t): 6 years

**Formula:**
The formula to calculate the final amount (A) with compound interest is:
\[ A = P \left(1 + \frac{r}{n}\right)^{nt} \]
where:
- \( P \) = initial principal balance
- \( r \) = annual interest rate (decimal)
- \( n \) = number of times interest applied per time period
- \( t \) = number of time periods the money is invested for

**Calculation Steps:**
1. Convert the annual interest rate from a percentage to a decimal by dividing by 100.
2. Plug the values into the compound interest formula.
3. Solve the equation to find the final amount.

#### Example:
- Convert the interest rate:
  \( \frac{5}{100} = 0.05 \)
  
- Substitute into the formula:
  \[ A = 8800 \left(1 + \frac{0.05}{4}\right)^{4 \times 6} \]
  \[ A = 8800 \left(1 + 0.0125\right)^{24} \]
  \[ A = 8800 \left(1.0125\right)^{24} \]

4. Calculate \( (1.0125)^{24} \).

5. Multiply the result by 8800.

**Answer Format:**
The final amount is \$ [Your Answer Here]

Please note that the answer should be rounded to 2 decimal places.

**Submit Button:**
- To calculate the final amount and check your answer, click the "Submit Question" button.

[Submit Question]

---
**Note**: Explanations above assume familiarity with the concepts of interest rates, compounding periods, and basic algebra. Adjust explanations based on your educational audience's level of expertise.
Transcribed Image Text:### Compound Interest Calculation **Problem Statement:** Find the final amount of money in an account if $8,800 is deposited at 5% interest compounded quarterly (every 3 months) and the money is left for 6 years. **Details:** - Principal (P): $8,800 - Annual Interest Rate (r): 5% or 0.05 - Number of times interest is compounded per year (n): 4 (quarterly) - Time the money is invested (t): 6 years **Formula:** The formula to calculate the final amount (A) with compound interest is: \[ A = P \left(1 + \frac{r}{n}\right)^{nt} \] where: - \( P \) = initial principal balance - \( r \) = annual interest rate (decimal) - \( n \) = number of times interest applied per time period - \( t \) = number of time periods the money is invested for **Calculation Steps:** 1. Convert the annual interest rate from a percentage to a decimal by dividing by 100. 2. Plug the values into the compound interest formula. 3. Solve the equation to find the final amount. #### Example: - Convert the interest rate: \( \frac{5}{100} = 0.05 \) - Substitute into the formula: \[ A = 8800 \left(1 + \frac{0.05}{4}\right)^{4 \times 6} \] \[ A = 8800 \left(1 + 0.0125\right)^{24} \] \[ A = 8800 \left(1.0125\right)^{24} \] 4. Calculate \( (1.0125)^{24} \). 5. Multiply the result by 8800. **Answer Format:** The final amount is \$ [Your Answer Here] Please note that the answer should be rounded to 2 decimal places. **Submit Button:** - To calculate the final amount and check your answer, click the "Submit Question" button. [Submit Question] --- **Note**: Explanations above assume familiarity with the concepts of interest rates, compounding periods, and basic algebra. Adjust explanations based on your educational audience's level of expertise.
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