Answer:
It's C
Step-by-step explanation:
This one would be easy for you if you studied programming. Oh I just used conditional statement.
foot = 12 inches
1. X/2 = 4
2. 3x - 2 = 11
3. 2x - 5 = 15
4. 2x-1=12
5. 9x = 2(x+5)