Answer:
y=3
Step-by-step explanation:
4/12 can be simplified to 1/3 because 4x3=12
Then we have 1/3=y/9
To get y by its self multiple y/9 by 9 to get:
9(1/3)=y
Only multiply the numerator by 1 so you get 9/3
3 goes into 9 3 times so
Y=3
Hope it helped :)
