Question

16. 4 schools sent students to a languages course. One of the schools sent both French and German students. The ratio of French to German students it sent was 1 : 3 The school sent 21 German students. The other 3 schools sent the same number of students.

Work out the total number of students sent to the languages course.

Answer 1

Answer:

language course=4

Ratio of number of French students to the number of German students=1:3

Total number of German student=21

Then, let the number of students who took French be x.

This can be written as:-

Thus, the number of students who took French=7

Which means :-

The total number of students sent to the language course:-

Thus, the total number of students sent=28

Therefore, the total number of students sent to the language course =28