Question
In a class, one fourth of the pupils are Chinese, 12 of the pupils are Italians and the rest are pupils of other nationalities. What fraction of the class is made up of pupils of other nationalities?
3 m

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In a class, one fourth of the pupils are Chinese, 12 of the pupils are Italians and the rest are pupils of other nationalities. What fraction of the class is made up of pupils of other nationalities?