A group of students is planning a field trip. The total cost...

Question Analysis
This question tests the application of direct variation in a real-world context. The problem involves finding the total cost for a different number of students based on a given cost and number of students.

Key Concept Explanation
Direct variation is a relationship where one variable is a constant multiple of the other. In this case, the total cost (C) varies directly with the number of students (n), which can be expressed as , where is the constant of variation.

Step-by-step Solution
1. Identify the given values: dollars for students.
2. Use the direct variation formula to find the constant of variation :

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Algebra-2

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