Answer:
A
Step-by-step explanation:
For every 1 cup of milk, we should output 4 cups of flour.
So when we have 2 cups of milk, we should output 8 cups of flour, and so on.
The only linear equation that describes this is A) y = 4x. We can see that we have the points (1, 4), (2,4), ... that describe this relationship.
I hope this helps!
