Answer:
C
Step-by-step explanation:
Lets look at all the answer choices:
A and looks like a little number.
B said 7. 7 x 16 = 122 7 x 12 = 84.
122 + 56 = 178. 140 + 84 = 224.
B is incorrect
C said 21. 21 x 16 = 336 21 x 12 = 252
336 + 56 = 392 and 140 + 252 = 392
C is the correct answer.
