1: tickets for the battle of the bands went on sale this week. on the first day of sales, 45 adult tickets and 20 student tickets were sold for a total of $875. on the last day of ticket sales, 25 adult tickets and 40 student tickets were sold for a total of $775. let x represent the cost for each adult ticket and let y represent the cost for each student ticket. write a system of equations to model this scenario and solve that system to determine the cost of each adult ticket. first day of sales equation: last day of sales equation: what is the cost of each adult ticket? dollars.