Tickets to a movie cost $7.25 for adults and $5.50 for students. A group of friends purchased 8 tickets for $52.75. How many adult tickets were purchased?
Using systems of equations, you can find the number of tickets by elimination. S are students and A are adults. S+A=8 7.25A+5.50S=52.75 Multiply the first equation by -5.50 to eliminate S. -5.50A-5.50S=-44 7.25A+5.50S=52.75 1.75A=8.75 8.75÷1.75=5 There were 5 adult tickets and 3 students.
