Answer:

Step-by-step explanation:
x + y + y + z + z + x = 2x + 2y + 2z = 22
x + y + z = 22
22 ÷ 3 = 
Hmmmm, it's either B or C, but I think B is closer related to a genre, so I think the answer is C, it has to do with the story's settings! :)
Fingers crossed that I helped!
That's a pretty confusing one. I think it's 10 minutes.