Jose and his children went into a grocery store where they sell apples for $2.25 each and mangos for $1.25 each. Jose has $20 to spend and must buy at least 9 apples and mangos altogether. Also, he must buy at least 3 apples and at most 9 mangos. If xx represents the number of apples purchased and yy represents the number of mangos purchased, write and solve a system of inequalities graphically and determine one possible solution.

graph 4 inequalities