What is the range of the ordered pairs shown in the graph? {–1, 1, 2, 3} {–2, 0, 3, 5} {–2, 2, 3, 5} {–1, 0, 3, 5}

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?