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Practice Question

A macaroni and cheese recipe calls for 1/4 cup of flour for every 1 1/6 cup of milk. To make a bigger batch, the chef uses 5 cups of flour. Which of the following would be the amount of milk needed for the bigger batch?

Answer Choices:

Correct Answer:

23 1/3 cups

Rationale:

📏The ratio is 1/4 cup flour : 1 1/6 cups milk → convert 1 1/6 to improper fraction: 7/6.

🔄So for every 1/4 flour, we need 7/6 milk → Set up proportion:

💁‍♂️(5 ÷ 1/4) = 20 times the recipe, so multiply milk: 20 × 7/6 = 140/6 = 23 1/3 cups.

🧠Scaling up a recipe involves using ratios and proportions.


📌Core Message

Use ratios and proportional reasoning to scale up recipe ingredients.

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Question Details
  • Category: ATI TEAS
  • Subcategory: MATH.
  • Domain: MATH 2024
  • Answer Choices: 4
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