Mastering Simple Interest Concepts

What is the simple interest on a principal of $500 at a rate of 5% for 3 years?

If you earn $60 as simple interest on a loan of $800, what is the interest rate?

Calculate the time period if the simple interest is $120, the principal is $600, and the rate is 4%.

Using the formula for simple interest, calculate the interest earned on $1,000 at 6% for 2 years.

A sum of $1,200 is invested at a simple interest rate of 3% per annum. How much interest will be earned in 5 years?

If the simple interest earned is $150 and the principal is $1,000, what is the time period at an interest rate of 5%?

Determine the interest rate if a principal of $2,000 earns $300 in 4 years as simple interest.

What is the total amount after 4 years if $1,500 is invested at a simple interest rate of 4%?

If you have $800 and want to earn $64 in interest in 2 years, what interest rate should you choose?

A loan of $2,500 is taken for 3 years at a simple interest rate of 5%. What is the total amount to be repaid?