Discussion

A school has a total enrollment of 90 students.  There are 30 students taking physics, 25 taking English, and 13 taking both.  What percentage of the students are taking either physics or English?
(A)  30%
(B)...
(C)...
(D)...
(E)...
(F)...
*This question is included in Nova Press: Set U - Counting, question #5

The solution is

Posted: 04/30/2016 18:47
The question state either which mean student who join both of the course, not neither, hence we dont need to calculate the student who are not join anything

You need to be signed in to perform that action.

Sign In