Question

In a class of 30 students, all students study at least one language, either
Spanish (S) or Mandarin Chinese (M). 16 students study only Spanish and 8
students study only Mandarin

Answer 1

Answer:

I think the answer is 8. Only 25 study either Spanish or French. If A study Spanish, B study French and C study both, A+B-C=25. So, 18+15-C=25 and this results C=8.

Step-by-step explanation:

or,,,,,,,,,,

Number of students studying Spanish or French = 30 - 5 = 25

Students who don’t study Spanish = 25 - 18 = 7 studying French only

Students who don’t study French = 25 - 15 = 10 studying Spanish only

Students who study both = 25 - 7 - 10 = 8

ANS 8 students study both.