Answer:
Think it is A as 4x20=80.
41% and 0.41 im not sure for the last one but hope im right !!
Answer:
The probability of drawing a purple marble is 3/10
Answer:
50
Step-by-step explanation:
first angle = x
second angle = x+30
third angle = 4x
x + (x+30) + 4x = 180
6x + 30 = 180
6x = 180 - 30
6x = 150
x = 150:6
x = 50