Simple and Compound Interest Worksheet Simple Interest I=p*r*t Name: ______________________ Date: _______ Section: ________ Compound Interest (annually) A = p(1 + r/t)n For the following, find the simple interest to the nearest cent. 1. $300 at 7.5% for 5 years 1. _______ 2. $770 at 16% for 6 months 2. _______ 3. $668 at 9.25% for 15 months 3. _______ 4. $285 at 8.5% for 2 ½ years 4. _______ 5. Ben borrowed $800 at 9% simple interest for 2 years. What is the total amount he must repay? 5. _______ 6. Lindsey sold stationery to her family and her mother’s friends. She deposited the $125 she earned in a savings account. The account earns 5.18% interest annually. If she does not deposit or withdraw any money from for 18 months, how much will she have in her account? 6. _______ For the following, find the balance of the account earning compound interest annually. 7. $7000 at 2% for 4 years. 7. _______ 8.. $7000 at 4% for 2 years. 8. _______ 9. $1995 at 6.5% for 10 years. 9. _______ 10. Mark deposits $2000 into an account that pays an interest rate of 3.5% compounded annually. He doesn’t add or remove money from his account for 4 years. How much money will Mark have in 4 years? 11. You deposit $1500 into an account that pays an interest rate of 4% compounded annually. Your friend deposits $1500 into an account that pays a simple annual interest rate of 4%. Compare the balances of the two accounts after 5 years.