If Dave's credit card carries an interest rate of 14% and he want to pay off his debt in 3.5 years, what payment will he need to make each month?

You have $4000, which is invested in a savings account earning 6.5% nominal interest, compounded monthly. Your current budget allows you to invest $250 per month which you will add to your account at the end of every month. How much will you have after 5 years?

If you owe $24,000 and the APR is 21.95%, what monthly payment would you need to make to reduce your debt to zero within 7 years?