Problema Solution
Ms. Rockwell surveyed the 34 students in her class about their families. 24 students have a brother or a sister, 10 students have a sister, and 6 students have both a brother and a sister. How many students have only a brother?
Answer provided by our tutors
24 students have a brother or a sister
10 have a sister and 6 have both brother and sister
hence
there a 14 students who only have a brother as 10 are having sister and in those 10,6 of them are haing brothers also but we need student with only a brother hence 14 students only have a brother