Alexa and her children went into a movie theater where they sell bags of popcorn for $8 each and pretzels for $5 each. Alexa has $45 to spend and must buy a minimum of 6 bags of popcorn and pretzels altogether. If xx represents the number of bags of popcorn purchased and yy represents the number of pretzels purchased, write and solve a system of inequalities graphically and determine one possible solution.