Understanding Simple Interest Concepts

Front

What is Simple Interest?

Back

Simple Interest is the interest calculated on the principal amount, or the original amount of money borrowed or invested, over a specific period of time.

Front

What is the formula for calculating Simple Interest?

Back

The formula for Simple Interest is I = P * r * t, where I is the interest, P is the principal amount, r is the rate of interest per year, and t is the time in years.

Front

What does 'P' represent in the Simple Interest formula?

Back

'P' represents the principal amount, which is the initial sum of money borrowed or invested.

Front

If Jenny won $3,000 and earns 2.9% simple interest for 10 years, how much interest will she earn?

Back

Interest = P * r * t = 3000 * 0.029 * 10 = $870.

Front

What is the total amount in Jenny's account after 10 years?

Back

Total Amount = Principal + Interest = 3000 + 870 = $3870.

Front

What does 'r' represent in the Simple Interest formula?

Back

'r' represents the rate of interest per year, expressed as a decimal.

Front

If NaNa invested $800 at a rate of 6% for 5 years, how much interest will she earn?

Back

Interest = P * r * t = 800 * 0.06 * 5 = $240.

Front

What is the Maturity Value?

Back

The Maturity Value is the total amount that will be paid back at the end of the loan period, including both the principal and the interest.

Front

If Nelly borrows $800 at an annual rate of 6.85% for 37 weeks, how do you calculate the interest?

Back

Convert weeks to years: 37 weeks = 37/52 years. Then use I = P * r * t.

Front

What is the Maturity Value of Nelly's loan?

Back

Maturity Value = Principal + Interest = 800 + (800 * 0.0685 * (37/52)) = $838.99.