Answer:
In order for the average to equal 3,000 then the total attendance must equal 9,000.
Show 1 = 2,580
Show 2 = 2,920
2 show total = 5,500
Therefore, third show total must equal 9,000 minus 5,500 =
3,500
Double-Check
2,580 + 2,920 + 3,500 = 9,000
Explanation: