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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

Respuesta :

total students = 4 * 21 = 84

[tex] \frac{french}{german} = \frac{1}{3} = \frac{21}{63} [/tex]
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