We have been given that x represent the number of bags of popcorn, and let y represent the number of bottles of soda.
Now, the theater sells a bag of popcorn for $6 and bottle of soda for $3.50.
Therefore, cost of x bags of pop corn is given by $6x
And the cost of y bottles of soda is given by $3.50y
Thus, the total cost is given by
![\text{cost of x bags of pop corn + cost of y bottles of soda}\\ \\ =6x+3.50y](https://img.qammunity.org/2019/formulas/mathematics/high-school/arm2n1ohkkutn6zacy4ij49e9cn825m3gd.png)
Now, we have been given that theater is giving away a souvenir poster to any customer with a concession stand receipt that exceeds $60.
It means that the total cost must be greater than $60.
Therefore, the required inequality is given by
![6x+3.50y>60](https://img.qammunity.org/2019/formulas/mathematics/high-school/a97ohe43si02vycv68e05ztq1vnoltyl6q.png)