Question

4 schools sent students to a language corse.

One of the schools sent both French and German students.
The ratio of French to German students 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 language corse

Answer 1

total students = 4 * 21 = 84


`(french)/(german) = (1)/(3) = (21)/(63)`