Answer:
There was an increase of 33.33% in Miss Williamson‘s homeroom
Explanation:
Percentage increase in the number of students=((Final number-Initial number)/Initial Number)×100
where;
Initial number of students=18 students
Final number of students=24 students
Replacing;
((24-18)/18)×100=(6/18)×100=33.33% increase
There was an increase of 33.33% in Miss Williamson‘s homeroom