$W = \{$students who walk to school$\}$
$G = \{$students who wear glasses$\}$
There are 20 students in the class.
8 of them walk to school.
3 both wear glasses and walk to school.
2 neither wear glasses nor walk to school.
(main)[2]
Fill in the Venn diagram.
Worked solution & mark scheme
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Venn diagram completed correctly with 5, 3, 10, 2 in the right regions” …