SOLUTION: Adult tickets for a play cost $10 and child tickets cost $4. If there were 30 people at a performance and the theater collected $234 from ticket sales, how many adults and how man

Algebra ->  Absolute-value -> SOLUTION: Adult tickets for a play cost $10 and child tickets cost $4. If there were 30 people at a performance and the theater collected $234 from ticket sales, how many adults and how man      Log On


   

Question 124704: Adult tickets for a play cost $10 and child tickets cost $4. If there were 30 people at a performance and the theater collected $234 from ticket sales, how many adults and how many children attended the play?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
a = number of adult tickets
c = number of child tickets
10a+%2B+4c+=+234
a+%2B+c+=+30
a+=+30+-+c
10%2830+-+c%29+%2B+4c+=+234
300+-+10c+%2B+4c+=+234
-6c+=+-66
c+=+11
Ther were 11 children at the play