I believe it is B. I could be wrong but I am hoping that you get it right
Answer:
3/6 or 1/2 (50%)
Step-by-step explanation:
There is 6 containers of each flavor, correct?
If you pick 3 of the same flavor, 3/6, it would look like that fraction.
If you simplify it, It'd be 1/2.
If you want it as a percent, It'd be 50%.
As a decimal, It's .50.
They are called like terms
First, multiply the first equation by 3 to get:

Then, add the two equations together to get

We can follow that x=2. Plugging in x=2, we get that y=-4.
Therefore, the solution of (2,-4)