Question
PSLE
Jean has a number of files in three colours: red, yellow and blue. 17 of the files are red. The number of red files is thrice the number of yellow files. What fraction of the files is blue?
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PSLE
Jean has a number of files in three colours: red, yellow and blue. 17 of the files are red. The number of red files is thrice the number of yellow files. What fraction of the files is blue?