5) BRAINLIEST + 15 + POINTS! :D

Answer:
A is the right answer
Step-by-step explanation:
Lets say the amount of food Kiko eats is x
That means Filbert eats 2x
What both of them eat together is 2x + x = 3x
So if they eat 3/4 of a cup of food, the equation would be
3x=3/4
So the answer is A