To find the number of calories per serving from the yogurt used in the recipe, you'll need to follow these steps:
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Calculate the calories in 1/3 of the yogurt container:
- Each container has 150 calories.
- If you use 1/3 of the container, the calories from the yogurt used would be: \[ \text{Calories from yogurt} = \frac{1}{3} \times 150 = 50 \text{ calories} \]
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Calculate total calories for the recipe: If the recipe only uses the yogurt for calories and makes 4 servings, the total calories in the recipe is 50 calories (from the yogurt).
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Calculate calories per serving: Now divide the total calories by the number of servings: \[ \text{Calories per serving} = \frac{50 \text{ calories}}{4} = 12.5 \text{ calories per serving} \]
So the calculations you would use are:
- \(\frac{1}{3} \times 150 = 50\) (total calories from yogurt in the recipe)
- \(\frac{50}{4} = 12.5\) (calories per serving)
Therefore, the answer is 12.5 calories per serving.