Lydia and her children went into a grocery store where they sell apples for $0.75 each and peaches for $0.50 each. Lydia has $6 to spend and must buy a minimum of 9 apples and peaches altogether. If xx represents the number of apples purchased and yy represents the number of peaches purchased, write and solve a system of inequalities graphically and determine one possible solution. Please also include the two inequalities used!