So.. let's say ∡AGB and ∡BGC are say "a" units wide, and ∡CGD and ∡DGE are "b" units wide
notice the picture below
all angles added up together, will make up just a flat line, or 180°
now, notice in the picture, the ∡BGD is really just " a + b " wide, notice the green angle in the picture of ∡BGD, well, we know what a + b is
Answer:
The number of adults is 
Step-by-step explanation:
Let
x------> the number of children
y------> the number of adults
we know that
-------> equation A
-------> equation B
Multiply equation A by 
-------->
------> equation C
Adds equation B and equation C

Answer:
A
Step-by-step explanation:
(5x4) - 6 / 2 = x