Jayden and his children went into a movie theater that sells bags of popcorn for $7 each and pretzels for $5 each. Jayden has $85 to spend and must buy a minimum of 13 bags of popcorn and pretzels altogether. If x x represents the number of bags of popcorn purchased and y y represents the number of pretzels purchased, write and solve a system of inequalities graphically and determine one possible solution.