Question

Anna surveyed 50 students at her school and found that 0.72 of the students she surveyed said their favorite class is math. Another 12% of the students she surveyed reported that their favorite class is science. How many more students in the survey prefer math over science?
A.
6
B.
30
C.
36
D.
42

Answer 1

Answer:

B. 30

Step-by-step explanation:

72% of 50 students is equal to

50*72/100=36

12% of 50 students is Equal to

50*12/100=6

Therefore, 36-6=30.