Find the monthly interest payment in the situation described below. Assume that the monthly interest rate is 1 divided by 1/12 of the annual interest rate.

You maintain an average balance of ​$780 on your credit​ card, which carries a 15​% annual interest rate.

The monthly interest payment is ​$______

1 answer

.15/12 = 0.0125
so
0.0125 * 780

The following is gibberish:
1 divided by 1/12 of the annual interest rate.