100A + 70C = 1100
50A + 50C = 625
Divide first equation by 2.
50A + 35C = 550
Subtract that from the second equation.
15C = 75
Solve for C, then insert into any of above equations to find A.
A movie theatre sells two types of tickets: adult and child. On Tuesday, the theatre sold 100 adult tickets and 70 child tickets and made a total of $1,100. On Wednesday, the theatre sold 50 adult tickets and 50 child tickets and made a total of $625. How much is an adult movie theatre ticket?
1 answer
1 answer