Final answer:
Without specific details on the credit card's APR, balance, and payment terms, we cannot calculate the exact amounts. An average scenario using a 15% annual interest rate would involve using an amortization formula for monthly payments, total payment over a year, and then calculating the remaining balance and percent of the original balance not paid.
Step-by-step explanation:
To calculate how much you would have paid over the year using the first credit card, as well as the remaining balance, and what percent of the original balance would not have been paid, we need specific details about the credit card terms, such as the APR, the balance, minimum payment rules, and any fees. However, without these details provided, we can look at a typical scenario by using an average annual interest rate for credit card borrowing, which has been said to be approximately 15% per year, according to provided information. For example, if you have a credit card debt of $5,000 at a 15% annual interest rate and you are paying it off over 3 years, using an amortization formula we can find the monthly payment and then multiply by 36 months (3 years) to see how much you've paid over the year. You'd still have to calculate the remaining balance after those payments, which requires the loan's amortization schedule. Generally, at the beginning of the term, a greater portion of the payment is applied to interest rather than principal, and the situation inverses as you get closer to paying off the debt. To calculate what percent of the original balance has not been paid, you would take the remaining balance after a year of payments, divide it by the original balance, and multiply by 100 to get a percentage.