Answer:
Janice required 30 tablespoons of butter, 380 Jet-Puffed Marshmallows and 60 cup of Kellogg's rice krispies cereal to yield 120 servings.
Step-by-step explanation:
Given that 3 tablespoons of butter, 38 Jet-Puffed Marshmallows, and 6 cup of Kellogg's rice krispies cereal) yields 12 servings.
Now, Janice has to make for 30 people and each with 4 servings for the Christmas Party.
So, there are total (30 × 4) = 120 servings required to make.
So, each and every ingredients of the dish will be required to be made 10 times.
Therefore, Janice required 30 tablespoons of butter, 380 Jet-Puffed Marshmallows and 60 cup of Kellogg's rice krispies cereal to yield 120 servings. (Answer)