9:7
Ratios are always simplified so by dividing both 18 and 14 by 2 you get 9 and seven. Because yellow triangles is stated first the 9 is put before the 7 blue triangles.
Answer is 2nd option
B. WYZ = WZX = ZYX
38/9
46/7
44/5
11/4
19/2
11/6
23/3
41/8
52/7
34/5
I believe the answer is B
