Which of the following makes only one change to the statement 5 > 2 < 1 that makes it a correct statement?

1 > 2 < 5
5 > 2 > 1
5 < 2 < 1
5 < 2 > 1

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?