Your answer should be C :-)
24x6=24-(12x3)-12 divided 4x3is 12
The awnser:0
Hope it help
Here are the pictures of the steps I took when solving it as well as the answer to what X is
The base of 6 is the same, so add 1/2+1/2 =1
6^1 = 6
Step One: Find 20% of 156
20% = .20
156 x .20 = 31.20
Step Two: Find the price of tickets
31.20 / 2 = 15.60
Final Answer: $15.60 per ticket
Hope this helps!