The hidden question in this scenario is "What is the total cost of the concert tickets for the members who went to the concert?"
To find the solution:
- Total members in the club: 35
- Members who did not attend the concert: 4
- Members who attended the concert: 35 - 4 = 31
- Cost of the concert ticket: $8 each
- Total cost, t: 31 members * $8/ticket = $248
So, the total cost, t, is $248.
The correct response from the given options would be: "How many members went to the concert? t = $248."