SOLUTION: The county fair charges $4 for adult tickets and $3 for student tickets. The Frank family purchased a total of 9 tickets for $31. Write a system of equations that could be used to

Question 1156682: The county fair charges $4 for adult tickets and $3 for student tickets. The Frank family purchased a total of 9 tickets for $31. Write a system of equations that could be used to find a, the number of adult tickets, and s, the number of student tickets the Frank family purchased.
Answer by ikleyn(52925) (Show Source): You can put this solution on YOUR website!
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     a +  s =  9      (counting tickets)

    4a + 3s = 31      (counting money)

Writing the setup equations for such problems is traditionally considered as very simple, routine step.

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It is a standard tickets problem.

There are different methods of solving such problems. See the lessons
    - Using systems of equations to solve problems on tickets
    - Three methods for solving standard (typical) problems on tickets
in this site.

From these lessons, learn on how to solve such problems once and for all.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Systems of two linear equations in two unknowns".

Save the link to this online textbook together with its description

Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson

to your archive and use it when it is needed.

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