Respuesta :
Answer:
Can be either 6 adult tickets and 9 children tickets or 9 adult tickets and 5 children tickets
Answer:
6 Adults
9 Children
Step-by-step explanation:
-12(X+Y) = 15
12x+9y= 153
X+9= 15
12x -12y = -180
12x+9y = 153
X+9= 15
-9 -9
X= 6
-3y = -27
Y= 9