Math Problem Statement

Find the payment needed to pay the following loans.

b. $9,500 at 7.25% compounded monthly for 5 years.

Solution

To find the monthly payment needed to pay off a loan, we can use the formula for the monthly payment of an amortizing loan:

M=P×r×(1+r)n(1+r)n1M = \frac{P \times r \times (1 + r)^n}{(1 + r)^n - 1}

Where:

  • MM is the monthly payment.
  • PP is the principal amount of the loan.
  • rr is the monthly interest rate (annual interest rate divided by 12).
  • nn is the total number of payments (loan term in years multiplied by 12).

For this specific loan:

  • P=9,500P = 9,500 dollars
  • Annual interest rate = 7.25%, so the monthly interest rate r=7.25%12=0.072512r = \frac{7.25\%}{12} = \frac{0.0725}{12}
  • Loan term = 5 years, so n=5×12=60n = 5 \times 12 = 60 months

Let's calculate the monthly payment MM.The monthly payment needed to pay off the $9,500 loan at a 7.25% annual interest rate compounded monthly for 5 years is approximately $189.23.

Would you like more details or have any questions?

Here are five related questions you might find interesting:

  1. How does the payment change if the interest rate increases to 8%?
  2. What is the total amount paid over the 5-year period?
  3. How much of the first payment goes toward interest?
  4. How would bi-weekly payments affect the total interest paid?
  5. What is the remaining balance after 3 years of payments?

Tip: Understanding how interest is compounded can significantly affect your decisions when taking out a loan.

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Math Problem Analysis

Mathematical Concepts

Interest Calculation
Compound Interest
Amortization

Formulas

Monthly Payment Formula for Amortizing Loan

Theorems

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Suitable Grade Level

High School