Study the following table and answer the question below.
|
School name |
Total number of students enrolled |
Percentage of enrolled students, opted Biology |
Ratio of male to female students who opted Biology |
|
A |
900 |
30 |
7 ∶ 8 |
|
B |
400 |
36 |
5 ∶ 7 |
|
C |
1000 |
24 |
5 ∶ 19 |
|
D |
800 |
18 |
3 ∶ 9 |
Find the ratio of the number of female students who opted biology in school B and school D.
1
7 ∶ 9
2
9 ∶ 7
3
3 ∶ 5
4
5 ∶ 3