Write a system of two linear equations in two variables that represents this real life problem and Solve the system of linear eq
uation. Cody's school is selling tickets to a spring musical. On the first day of the ticket sales the school sold 2 senior citizen tickets and 8 child tickets for a total of $78. The school took in $84 on the second day by selling 4 senior citizen's ticket and 8 child tickets.
Find the price of a senior citizen ticket and the price of a child ticket. Show your work for full credit.