Me with this question clarify what you're saying you

How can you tell when x and y are not directly proportional?

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?

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.