Out of the 100 people in the sample, 72% said they preferred pizza. That 72% should be the same for the whole school.
1500 × .72 = 1080
about 1080 students in the school prefer pizza

First, find the number of females in the class. 
Then, just write the ratio. 
I think it is B but I might be wrong
Answer:
Ask ur mom she's nice
Step-by-step explanation:
Answer:
N/A
Step-by-step explanation:
This can't be answered, does not make sense, What percentage??