Homework Help: substitution

Posted by Artie on Monday, February 18, 2008 at 8:17pm.

Tickets to a movie cost $7.25 for adults and $5.50 for students. A group of friends purchased 8 tickets for $52.75.
Write a system of equations to represent the situation.
How many adult tickets and student tickets were purchased?

substitution - drwls, Monday, February 18, 2008 at 8:19pm
A + C = 8
7.25 A + 5.5 C = 52.75

Solve for A (# of adult tickets) and C (# of children's tickets)
substitution - Reiny, Monday, February 18, 2008 at 8:20pm
let the number of adult tickets be x
then the number of student tickets will be 8-x

7.25x + 5.5(8-x) = 52.75

etc
- substitution - Artie, Monday, February 18, 2008 at 9:48pm
  Thank you. I'm really having problems with math.
  - substitution - dexandra, Tuesday, April 1, 2008 at 7:51pm
    i need help with substitution

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