4) - A school has 18 classes with 35 students in each class. In order to reduce class size to 30, how many new classes must be formed?
A) 3
B) 5
C) 6
D) 8

4) - A school has 18 classes with 35 students in each class. In order to reduce class size to 30, how many new classes must be formed?
A) 3
B) 5
C) 6
D) 8

A) 3. 35 - 30 = 5 extra students per class. 18 * 5 = 90 "extra" students. 90 / 30 = 3 new classes.

4) - A school has 18 classes with 35 students in each class. In order to reduce class size to 30, how many new classes must be formed? A) 3 B) 5 C) 6 D) 8

There are no comments.