I made this graph for you- the red is the 80%, and the green is the leftover 20%.
Answer:

Step-by-step explanation:
In order to find the answer, you first need to convert the mixed number (2 1/3) into a improper fraction and then multiply.







Hope this helps.
Answer:
B hope it helps
Step-by-step explanation:
If 50 students prefer vanilla ice cream then 259 students were surveyed.