.
Cowell sold 2x tickets; Nigel sold 3x tickets.
2x + 3x = 5x is half of the tickets, and Anthony sold the other half tickets, which is 5x tickets.
From the condition,
5x = 2x + 66,
3x = 66,
x = 66/3 = 22.
Altogether, they sold 2x + 3x + 5x = 10x = 10*22 = 220 tickets. ANSWEWR
Solved.
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Post-solution note:
Price for a ticket of $2 is irrelevant info.