Answer:
80
Explanation:
Given
Girls : Boys ==> 3 : 5
number of boys as a fraction of total members,
Boys = 5/ (3+5) = 5/8
It is given that there were 50 boys.
hence
5/8 ---> represents 50 members (i.e boys)
1/8 ---> represents 50/5 = 10 members
8/8 ----> represents 10 x 8 = 80 members