Math Problem Statement

Consider the following two loans for P 0

$ 10 , 000 .

Loan A: 5 -year loan, annual interest rate of 7 % , monthly repayments of $ 198.01 . Loan B: 3 -year loan, annual interest rate of 5 % , monthly repayments of $ 299.71 . On which loan will you pay the least interest?

Select the correct answer below:

Loan A

Loan B

Solution

To determine which loan results in paying the least interest, we need to calculate the total amount paid over the life of each loan and subtract the principal ($10,000) from that to find the total interest paid.

Loan A (5-year loan at 7%):

  • Monthly payment = $198.01
  • Number of months = 5 years × 12 months = 60 months

The total amount paid over 60 months is:

198.01×60=11,880.60198.01 \times 60 = 11,880.60

Interest paid on Loan A:

11,880.6010,000=1,880.6011,880.60 - 10,000 = 1,880.60

Loan B (3-year loan at 5%):

  • Monthly payment = $299.71
  • Number of months = 3 years × 12 months = 36 months

The total amount paid over 36 months is:

299.71×36=10,789.56299.71 \times 36 = 10,789.56

Interest paid on Loan B:

10,789.5610,000=789.5610,789.56 - 10,000 = 789.56

Conclusion:

  • Interest on Loan A: $1,880.60
  • Interest on Loan B: $789.56

Loan B results in paying the least interest.


Do you need more details or have any questions?

Here are 5 related questions for further exploration:

  1. How do different compounding periods affect loan interest?
  2. How can you calculate the total interest paid on a loan with a variable interest rate?
  3. What strategies can reduce the overall interest on a long-term loan?
  4. How does loan amortization work for fixed-rate loans?
  5. What is the impact of making extra payments on a loan's interest?

Tip: Always compare the total repayment amount when deciding between loans, as shorter-term loans typically result in less interest.

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Math Problem Analysis

Mathematical Concepts

Loan amortization
Interest calculation
Time value of money

Formulas

Total payment = Monthly payment × Number of months
Interest paid = Total payment - Principal

Theorems

Simple interest calculation

Suitable Grade Level

Grades 9-12