Answer:
To owe nothing in September you have to make 11 equal payments of $54.28 each.
Explanation:
The sum of the payments is:
42.58 + 52.16 + 69.47 + 84.61 + 77.06 + 62.83 + 49.16 + 40.45 + 28.17 + 29.54 + 26.87 + 34.18 = $597.08
You want to make 11 equal payments each one of 597.08/11 = $54.28