you sold $105 worth of tickets, but you spilled soda on the record sheet and don't know how many of each tickets you sold. students tickets cost $5 and adult tickets cost $7 each. use x for student tickets and y for adult tickets
5x+7y=105 There are four variants are possible 1. You sold 15 adult tickets 2. You sold 7 student tickets and 10 adult tickets 3. You sold 14 student tickets and 5 adult tickets 4. You sold 21 student tickets.
