Answer:
B
Explanation:
The reason why the answer is B is that you need to note the divisible.
Since 5 apples=2 bran, 10=4 bran, 15=6, 20=8, and so on.
Another way to explain this is that this can be based on a slope:
Since for every apple is 2 bran, you can use the apple as the x axis and bran as the y. The equation for this would be:
Hope this helps!