These angles are vertical angles meaning that they are equal to each other. Here is the equation for this problem:
x + 40 = 3x
Combine like terms
(x-x) + 40 = 3x - x
40 = 2x
Isolate x
40/2 = 2x/2
x = 20
Hope this helped!
Answer:
3/1
Step-by-step explanation:
x y
-1 1
-2 2
-3 3
---------------
x y
1 -1
2 -2
3 -3
The ratio of left handed to right handed people is 1:4
Therefore the ratio of left handed to total people is 1:5
Set up a proportion
1/5= x/30
5*6=30
1*6=6
x=6
Final answer: 6 left handed people