Level:
Project ID:
9000085302
Accepted:
1
Clonable:
0
Easy:
1
There are \(32\) students
in the class (\(20\)
boys and \(12\)
girls). One quarter of the boys and one quarter of the girls are excellent students.
Suppose that one boy and one girl, both excellent students, move to another school.
Find the difference in the ratio of excellent students in the class before and after the
change in the class.
\(5\, \%\)
\(6.25\, \%\)
\(7.5\, \%\)
\(8.25\, \%\)