Adult tickets for a play cost $15 and child tickets cost $6. If there were 33 people at a performance and the theater collected $360 from ticket sales, how many children attended the play?

14 children
15 children
16 children
18 children

1 answer

let the number of kids at the show be x
then number of adults is 33-x

6x + 15(33-x) = 360

etc