Credit Card Payment Calculations

The video tutorial explains how to calculate the monthly payment needed to pay off a $3,000 credit card balance with a 17% interest rate over two years. It introduces the loan formula, defines the variables, and demonstrates setting up and solving the equation. The tutorial emphasizes careful rounding to minimize errors and calculates the total payment and interest over the period.

What is the initial amount of debt on the credit card?

• $2,000

• $3,000

• $1,000

• $4,000

What is the annual interest rate charged on the credit card?

• 18%

• 17%

• 16%

• 15%

Which variable represents the monthly payment in the loan formula?

• K

• R

• D

• P sub 0

How many compounds per year are assumed in this problem?

• 12

• 24

• 6

• 4

What is the importance of rounding in solving the equation for D?

• It simplifies the calculation.

• It reduces the number of steps.

• It minimizes rounding errors.

• It increases the interest rate.

What is the monthly payment required to pay off the credit card in two years?

• $120.50

• $148.33

• $160.75

• $175.00

How many total payments are made over the two-year period?

• 12

• 18

• 24

• 30

What is the total amount paid over the two-year period?

• $3,000

• $3,560

• $3,560

• $3,560

How much interest is paid over the two-year period?

• $500

• $300

• $560

• $400

Why is the interest rate on most credit cards considered high?

• Because it is above 15%

• Because it is variable

• Because it is fixed

• Because it is below 10%