Answer:
The fourth one.
Step-by-step explanation:
I am pretty sure.
a: 30
b:40
c:78
d:36
e:20
f:96
6 is a answer
if it is x 3+3 is equal to 6
if it is 10+10 is equal to 20
D
the rest of them have 2 Y for 1 X
9.0
Took the test