Simple Interest Review

Alex invested $5,000 in a savings account with an annual interest rate of 4%. How much interest will he earn after 2 years?

Sarah borrowed $3,000 at a simple interest rate of 6% per year. If she repaid $900 in interest, how long was the money borrowed?

Jason deposited $8,000 in a bank account and earned $560 in interest after 4 years. What was the annual interest rate?

Maria invested $2,500 at a simple interest rate of 8% per year. If she earned, how much money will she have after 3 years?

If the simple interest for 1 year on a loan is $120 and the interest rate is 5%, what is the principal amount?

Emma borrowed $6,000 at a simple interest rate of 7%. If she repaid a total of $6,840, how long was the money borrowed?

Tom invested $4,000 for 5 years and earned $800 in interest. What was the annual interest rate?

If the principal amount is $1,500, the annual interest rate is 6%, and the time is 2 years, what is the total amount?

A loan of $7,000 was taken at a simple interest rate. of 9%. If $8,190 payed back in total, how much interest was paid?

Lisa deposited $10,000 in a bank account and earned $1,500 in interest. If she kept the money for 4 years, what was the annual interest rate?