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
-9 -9
X= 6
-3y = -27
Y= 9
Can be either 6 adult tickets and 9 children tickets or 9 adult tickets and 5 children tickets
1215.916
-3
5x³ + 2 , when x = -1
5(-1)³ + 2
= -5 + 2
= -3
1 x 90
2 x 35
3 x 30
5 x 18
6 x 15
9 x 10
