Khloe and her children went into a movie theater where they sell bags of popcorn for $7 each and candies for $4 each. Khloe has $60 to spend and must buy no less than 11 bags of popcorn and candies altogether. If xx represents the number of bags of popcorn purchased and yy represents the number of candies purchased, write and solve a system of inequalities graphically and determine one possible solution