Question
Tickets for a school concert are priced differently depending on whether the attendee is
a student, a teacher, or a parent.
Three groups of people, and
attend the concert. The numbers in each category for each group, along with
the total cost of the tickets for each group, are given in the following table.
Write down and solve equations to find the cost of a ticket for each of the categories.
| Group | Students | Teachers | Parents | Total cost |
|---|---|---|---|---|
| 10 | 4 | 5 | $163.80 | |
| 5 | 3 | 6 | $113.59 | |
| 8 | 6 | 3 | $144.82 |
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