Find the area of the wall minus the area of the window
A. 42 yd2
B. 43 yd2
C. 53 yd2
D. 54 yd2

Answer:
the answer would be 30.
Step-by-step explanation:
12x2=32
4x2=8.
2x2=4
3x2=6
32+8=40
6+4=10
40-10=30.
but this is wrong so, are they using a different way of solving this problem?