Answer:
part of the original pot will be served the next day lunch.
Explanation:
Let us assume that x is the whole pot of chili.
Now, Sarah's mom has
of a pot of chili leftover after dinner.
Therefore, she has
part of the whole pot left.
Again she wants to divide into three equal parts for servings for lunch the next day.
Therefore, in each servings there will be
part of whole pot.
Therefore,
part of the original pot will be served the next day lunch. (Answer)