If a recipe uses 3 cups of flour to bake 12 cookies, how many cups are needed for 48 cookies?

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Multiple Choice

If a recipe uses 3 cups of flour to bake 12 cookies, how many cups are needed for 48 cookies?

Explanation:
This question tests proportional reasoning: the amount of flour needed scales directly with the number of cookies. If 3 cups are required for 12 cookies, the flour per cookie is 3 divided by 12, which is 0.25 cups per cookie. For 48 cookies, multiply the per-cookie amount by 48: 0.25 × 48 = 12 cups. Equivalently, scale the recipe by the factor 48/12 = 4, so 3 cups × 4 = 12 cups. The other options would produce a different number of cookies than 48, given the same ratio.

This question tests proportional reasoning: the amount of flour needed scales directly with the number of cookies. If 3 cups are required for 12 cookies, the flour per cookie is 3 divided by 12, which is 0.25 cups per cookie. For 48 cookies, multiply the per-cookie amount by 48: 0.25 × 48 = 12 cups. Equivalently, scale the recipe by the factor 48/12 = 4, so 3 cups × 4 = 12 cups. The other options would produce a different number of cookies than 48, given the same ratio.

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