Math Problem Statement

Find the simple interest for a loan whose principal is $8,134.19, simple interest rate is 5.52%, and term is 450 days.

Solution

To calculate the simple interest, we use the formula:

I=P×r×tI = P \times r \times t

Where:

  • II is the simple interest.
  • PP is the principal amount.
  • rr is the annual interest rate (as a decimal).
  • tt is the time in years.

Step 1: Convert the time

The term is given as 450 days, but the formula requires time in years. To convert days to years:

t=4503651.2329yearst = \frac{450}{365} \approx 1.2329 \, \text{years}

Step 2: Calculate the interest

Now, substitute the values into the formula:

  • P=8134.19P = 8134.19
  • r=5.52100=0.0552r = \frac{5.52}{100} = 0.0552
  • t=1.2329yearst = 1.2329 \, \text{years}

I=8134.19×0.0552×1.2329I = 8134.19 \times 0.0552 \times 1.2329

Let me calculate this.The simple interest for the loan is approximately $553.57.

Would you like more details or have any further questions?

Here are 5 related questions to expand on this concept:

  1. How does the time period affect the simple interest amount?
  2. What would the interest be if the interest rate increased to 6%?
  3. How does simple interest differ from compound interest?
  4. If the principal was doubled, what would the new simple interest be?
  5. How can the total amount (principal + interest) be calculated after the loan term?

Tip: Always make sure to convert the time period (days, months, etc.) to years when calculating simple interest.

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Math Problem Analysis

Mathematical Concepts

Simple Interest
Time Conversion
Percentages

Formulas

Simple Interest formula: I = P × r × t

Theorems

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Suitable Grade Level

Grades 7-10