4.You are buying a car today and will pay back $269.75 per month for 48 months. You make your first payment today. If the rate is 3.6%, how much did you borrow?

5.You charged $2321 on a credit card. If you pay the minimum payment per month of $41.67, you will pay it off after making 93 payments. How much total interest will you pay?

6.Your best friend opened an investment account with a deposit of $154.71 today. They will continue to deposits every two weeks into an account that they hope will earn an interest rate of 8.06% per year. How much will they have in 17 years?