From what I could make out of the question, it states that in each package, there are 3 tablespoons of nuts and one tablespoons of berries. If this is true, that means that there are 4 tablespoons in total, and given that there is only one tablespoon of berries, you can conclude that one out of the four tablespoons (or 1/4) of the package is made up of berries.
Elie's feelings changed about god since the beginning of the book that Elie was losing faith in God and no longer believed in him during the time he was in the camp with his father.