SOLUTION: Adult tickets for a play cost $8 and child tickets cost $1. If there were 22 people at a performance and the theater collected $50 from ticket sales, how many children attended th

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Adult tickets for a play cost $8 and child tickets cost $1. If there were 22 people at a performance and the theater collected $50 from ticket sales, how many children attended th      Log On


   

Question 92280: Adult tickets for a play cost $8 and child tickets cost $1. If there were 22 people at a performance and the theater collected $50 from ticket sales, how many children attended the play?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
A+C=22 OR A=22-C
8A+C=50 REPLACE A BY (22-C) & SOLVE FOR C
8(22-C)+C=50
176-8C+C=50
-7C=50-176
-7C=-126
C=-127/-7
C=18 FOR THE NUMBER OF CHILDREN TICKETS.