Kinda putting this out here to everyone so you can learn. don't just click on a person needing then guess or just put gibberish. that's not cool and you're only using the undetected answering log to your own usage. stop.

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?