Laura bought some movie tickets. The graph represents
the
proportional relationship between the cost and the number of movie
tickets. Find the cost of seven tickets
![Laura bought some movie tickets The graph represents the proportional relationship between the cost and the number of movie tickets Find the cost of seven ticke class=](https://us-static.z-dn.net/files/db3/9c8bdbc6b5ecf31e42679905e0c41e7e.png)