Agroup of tourists spends $168 to rent snorkels and fins. a total of 10 snorkels and 12 pairs of fins are rented. renting a snorkel costs three times as much as renting a pair of fins. how much does it cost to rent a snorkel?

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?