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Answer:
36
Step-by-step explanation:
You add all of them together which is 9
Then you take the combination of A to C
Which is 9C2
Just add up all the numbers
11
66=11×6
121=11×11
132=11×12
C(cost)=6x+9
9 is the cost of three hot dogs
6x represents 6 tickets and their cost
