Do you have a picture to show, so that I can help?
Sounds as tho' something's missing here. What is "the average" You haven't given it.
If "the average" were 5, then 1 is 4 units below the average, 4 is 1 unit below the average, and 6 is 1 unit above the average.
Check the original problem. Isn't the average given there?
The correct answer would be $66
Answer :because your irrelevant use a caulator