Question

In a class of 78 students 41 are taking Economics, 22 are taking History. Of the students taking Economics or History, 9 are taking both courses. How many students are not enrolled in either course? A. 6 B. 15 C. 24 D. 33 E. 54

Answer 1

the answer is six since 41+22+9=72 ,78-72=6