the probability is 5 out of 20
180-2(55)-x=0
180-110-x=0
70-x=0
-x=-70
x=70°
Answer:
7
Step-by-step explanation:
In order to find a percentage, you divide the sample by the total amount.
For example: Tess has 3 cookies out of the total amount of 9. 3/9 = 33.3%