Algebra-1

Question Analysis
This problem requires students to set up and solve a system of linear equations based on given information about ticket sales and revenue.

Key Concept Explanation
The key concepts include setting up a system of equations, solving the system, and interpreting the solution in the context of the problem.

Step-by-step Solution
1. Define the variables: Let be the number of adult tickets and be the number of children's tickets.
2. Write the system of equations based on the given information:


3. Solve the first equation for :

4. Substitute into the second equation:

5. Simplify and solve for :

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