Two skaters are racing toward the finish line of a race. the first skater has a 40 meters lead and is traveling at a rate of 12 meters per second. the second skater traveling at a rate of 14 meters per second. how long will it take for the second skater to pass the first skater?

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?