Question

The senior class sells movie tickets to students and teachers. The student tickets cost $4 each and teacher tickets cost $8 each. If they earned only $44, how many possible combinations of student and teacher tickets could have been sold?

Answer 1

Answer: There are 6 possible combinations:

Student | Adult . $

11 | 0 . 44 + 0

9 | 1 36 + 8

7 | 2 28 + 16

5 | 3 20 + 24

3 | 4 12 + 32

1 | 5 4 + 40

Explanation:

We can use an equation 4x + 8y = 44

Graph it and see where the graphed line crosses the grid lines at integers.