A group of college students are going to a lake house for the weekend and plan on renting small cars and large cars to make the trip. Each small car can hold 4 people and each large car can hold 6 people. A total of 5 cars were rented which can hold 24 people altogether. Graphically solve a system of equations in order to determine the number of small cars rented, x, x, and the number of large cars rented, yy.