Simon is working after school to earn enough money for a new mountain bike that costs 245$ last month, Simon earned a total of 108.25 this month Simon has earned 63.50 so far write in equality showing at least how much he needs to earn b in order to buy the mountain bike at the end of this month.

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?