The total number of students in three schools A, B, and C is 350. School B has 150 students. Boys in A equal girls in C, and boys in C equal girls in ...
Question
The total number of students in three schools A, B, and C is 350. School B has 150 students. Boys in A equal girls in C, and boys in C equal girls in A (which is 25). In school B, the number of boys and girls is equal.
In school A, 20% of boys did not appear for the exam, which is 5 more than the number of girls who appeared. In school B, the number of girls who did not appear is equal to the number of boys who did not appear. The total number of students who did not appear in the exam from all schools is 40.
In school C, the ratio of students who did not appear to those who appeared is 1:1. Also, 45 girls did not appear for the exam.
Find the ratio of boys not appeared in the exam from schools A and B together to boys appeared in the exam from school C.