MathDB

In some primary school there were

94

students in

7

th grade. Some students are involved in extracurricular activities: spanish and german language and sports. Spanish language studies

40

students outside school program, german

27

students and

60

students do sports. Out of the students doing sports,

24

of them also goes to spanish language.

10

students who study spanish also study german.

12

students who study german also do sports. Only

4

students go to all three activities. How many of them does only one of the activities, and how much of them do not go to any activity?

Problem Statement