Algebra-1

Question Analysis
This question assesses the student's ability to use proportions to solve real-world problems. The problem involves scaling a recipe, which is a common application of proportions.

Key Concept Explanation
Proportions are used to compare two ratios and find an unknown value. In this case, the ratio of cups of flour to cookies for the original recipe should be equal to the ratio of cups of flour to cookies for the scaled recipe.

Step-by-step Solution
1. Set up the proportion:
2. Cross-multiply:

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