Given the number of male and female students in classes A and B as follows: Class Boys Girls A 50 70 B ? 80 If the number of boys in class B is equal ...
Question
Given the number of male and female students in classes A and B as follows:
| Class | Boys | Girls |
|---|---|---|
| A | 50 | 70 |
| B | ? | 80 |
If the number of boys in class B is equal to the number of girls in class B, by what percentage are the total students in class B more than those in class A?