Answer:
draw out your diagram... if it was 1/2 draw one long shape (say it's a rectangle) and cut it once
Step-by-step explanation:
===/===
it should look something like this (represents 1/2)
2x
solve it
Z = 20
3 x 20 = 60
60 - 12 = 48
C. (x + 10)
A and C
