Question
In a class, one tenth of the students are Japanese, 45 of the students are Italians and the rest are students of other nationalities. What fraction of the class is made up of students of other nationalities?
3 m

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In a class, one tenth of the students are Japanese, 45 of the students are Italians and the rest are students of other nationalities. What fraction of the class is made up of students of other nationalities?