Formula needed: how to find percentage of interest paid from total amount pd ($4,500)

[Kymray]

Formula needed :how to find the percentage of interest paid from the total amount paid

Suppose you have credit card balance of $4,500 on a credit card whose APR is 18% compounded monthly, which you want to pay off in 5 years. Assume that you make no additional charges on the card. A. Calculate monthly payments B. When card paid off how much have you paid Total? C. What percentage of total payment is interest?

I have A &B figured out but cannot figure put formula for C. Thank you in advance

 

[Deleted member 4993]

Formula needed :how to find the percentage of interest paid from the total amount paid

Suppose you have credit card balance of $4,500 on a credit card whose APR is 18% compounded monthly, which you want to pay off in 5 years. Assume that you make no additional charges on the card. A. Calculate monthly payments B. When card paid off how much have you paid Total? C. What percentage of total payment is interest?

I have A &B figured out but cannot figure put formula for C. Thank you in advance

Please share your work in calculating A and B.

We can show you then how you can use those processes to compute (C).