All you have to do is add the number of vanilla and the number of chocolate, then divide the result by 24. You round up the result to the nearest whole number.
Like so:
377+935=1312
1312/24=54.67
55
So, she would have to refill it 55 times to use all the batter.
The correct answer is the third one.
However, i would suggest you to remember the following simple rule:
A dog has sharp teeth so that it can eat flesh very easily, it has four legs, two ears, two eyes, a tail, a mouth, and a nose. It is a very clever animal and is very useful in catching thieves. ... Dogs are a very faithful animal. It has a sharp mind and a strong sense of hearing smelling the things.