Here is the answer.
You just have to remember the given formula.
You learn more from failure than from success. Don’t let it stop you. Failure builds character.
Answer:
C. 
Step-by-step explanation:
Since 40% of the students prefer chocolate ice cream, 60% don't prefer chocolate ice cream. Use this proportion set equal to 25 to find the number of students who prefer vanilla ice cream, instead of chocolate ice cream.
Answer:
8
Step-by-step explanation: