Caselet

A school has 600 students. 40% of them are in the primary section and the rest are in the secondary section. In the secondary section, 50% of the students are girls.

Question

How many girls are in the secondary section?

Table built from the caselet

Solution

1. Primary students = 40% of 600 = 240.
2. Secondary students = 600 - 240 = 360.
3. Secondary girls = 50% of 360 = 180.
4. There are 180 girls in the secondary section.