Answer:

Step-by-step explanation:
Given
The attached circle
Required
Find the measure of x
From the attached image:
and
form a semi-circle
So:

Collect like terms


Solve for x


If 4/5 do, then 1/5 dont
1/5=x/100
x=20
20%
How many sixths are in 1/2?
3
Step-by-step explanation:
i did it
20% is what you won't pay therefore 80% is what you'll pay.=80/100*220=$176