Algebra-1

Question Analysis
This question assesses the student's ability to apply proportions to a real-world scenario. The focus is on setting up the proportion and solving for the unknown.

Key Concept Explanation
A proportion is an equation stating that two ratios are equal. Here, the ratio of students who prefer chocolate to those who prefer vanilla is given, and the number of students who prefer vanilla is known, so we can find the number of students who prefer chocolate.

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

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