The equation <u>6 + 9a = 51</u> can help find out how many adults were in the group.
Answer:
x=13
y=132
Step-by-step explanation:
............
3x and 120 are both vertical degrees.
Essentially, vertical degrees are two angles that are on the exact opposite sides. These vertical degrees are always congruent.
Since 3x and 120 are congruent, we can make an equation to solve for x:
3x = 120
Divide:
x = 40
Let me know if you need any further explanation :)
-T.B.
The least common multiple is 120