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?
*This question is included in Nova Press: Set U - Counting, question #5
(A) | 30% |
(B) | ... |
(C) | ... |
(D) | ... |
(E) | ... |
(F) | ... |
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