“Damián has a balance of 10,200 on his credit card. He threw the card away so he can never use it again. He has 3 1/2 years to pay off the balance. The interest rate on his card is 21%”
a. At the end of the 3 1/2 years, how much interest has he paid?
b. When Damian pays off his credit card, how much will he have pains in all.
