Answer:
3600
Step-by-step explanation:
Since the question gives you p, you replace p (which is just a placeholder) with 5.
Your equation should look like this:

Answer: There are 32 students who like brussels sprouts but dislike beans.
Step-by-step explanation:
Since we have given that
Number of students eat in the cafeteria = 120
Fraction dislike lime beans = 
Fraction who dislike lime beans and brussles sprouts both = 
Fraction who dislikes lime beans but not brussles is given by

So, Number of students who like brussels sprouts but dislike lima beans is given by

Hence, there are 32 students who like brussels sprouts but dislike beans.
Answer (quite straightforward):
650
= 65 x 10