To find the number of calories per serving in the recipe, follow these steps:
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Determine the total calories from the yogurt used in the recipe: Each container of yogurt has 150 calories, and the recipe uses \( \frac{1}{3} \) of a container. Therefore, the amount of calories from the yogurt is: \[ \text{Calories from yogurt} = \frac{1}{3} \times 150 = 50 \text{ calories} \]
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Calculate the total calories for the entire recipe: Since the yogurt contributes 50 calories, we need to add any other ingredients' calories (if provided). However, if the only component is yogurt, we continue with 50 calories.
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Divide the total calories by the number of servings: The recipe makes 4 servings. Thus, the calories per serving are: \[ \text{Calories per serving} = \frac{50 \text{ calories}}{4 \text{ servings}} = 12.5 \text{ calories per serving} \]
In summary, if the recipe is solely based on the yogurt with no other ingredients, the calories per serving would be \( 12.5 \). If there are additional ingredients, those need to be factored in accordingly.