Algebra-1

Question Analysis
This question tests the student's ability to simplify a ratio. The problem provides a ratio and asks for its simplified form.

Key Concept Explanation
Simplifying a ratio involves finding the greatest common divisor (GCD) of the two quantities and dividing both by the GCD to reduce the ratio to its simplest form.

Step-by-step Solution
1. Identify the given ratio: 9 students prefer chocolate ice cream to 12 students who prefer vanilla ice cream.
2. Write the ratio as a fraction:
3. Find the GCD of 9 and 12, which is 3.
4. Divide both the numerator and the denominator by the GCD:

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