Answer:
There are 2 adults (2x5) and 5 children (5x2).
If I'm not mistaking, they want you to find the number in the middle that's between X and Z.
That number would be 3.
Hope this helps a bit! :)
2x + 7 = 3x - 7
3x - 2x = 7 + 7
x = 14
2x + 7 + 12y + 1 = 180
2(14) + 12y + 8 = 180
28 + 12y + 8 = 180
36 + 12y = 180
12y = 180 - 36 = 144
y = 144/12 = 12
x = 14, y = 12
Answer:25
Step-by-step explanation:
you just add the sides
133
19x7
