Algebra-1

Question Analysis
This question assesses the student's ability to set up and solve a system of linear equations to find the number of adult tickets sold in a real-world context.

Key Concept Explanation
The key concept is the application of systems of linear equations to solve real-world problems involving multiple unknowns. The student must translate the word problem into a system of equations and then solve it.

Step-by-step Solution
1. Define the variables: Let be the number of adult tickets and be the number of student tickets.
2. Formulate the system of equations based on the given information:
3. Solve the system using the substitution method. From the first equation, express in terms of :
4. Substitute into the second equation:

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