Question

In a class of 40 students everybody must take either a course in history or a course in
sociology (or.both). 22 students have taken sociology and 26 students have taken history. What is the percentage of students who have taken both history and sociology?
4) 10 %
(D) 25 %
(B) 15 %
(C) 20 %​

Answer 1

Answer:

answer is d 25 percentage have taken both