Let's just count the calories. A Betty Crocker brownie-mix box has two sets of nutrition facts on it--stats for just the powder inside of the box, and for the brownies after they are baked. That's all we need! It turns out that a box of brownies, after baked, has 3,200 calories. How much do the ingredients have?

Well, first, there's the brownie mix itself. It has 120 calories per serving, and there are 20 servings in the brownie box. 120 x 20 = 2,400 calories. Now, Betty Crocker asks you to add three ingredients to your mix: water, 2 eggs, and a 1/3 cup of vegetable oil.

  • Water = 0 calories
  • 2 Eggs = 70 calories apiece x 2 = 140 calories
  • 1/3 Cup Vegetable Oil = 5 1/3 tablespoons of vegetable oil = 16/3 tablespoons * 120 calories/tablespoon = 640 calories


Grand Total = 3,180 calories
This is 20 calories less than the brownie batter.

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