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
2(x+10)
Well since sum is addition and the number and 10 are the sum, let’s make the “number“ (x) and add em up. 10+x.
Now we gotta double that sum which is basically
2(10+x)
Answer: See attached image.
