Question
PSLE
Rachel has a number of files in three colours: yellow, red and brown. 15 of the files are yellow. The number of yellow files is twice the number of red files. What fraction of the files is brown?
2 m

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PSLE
Rachel has a number of files in three colours: yellow, red and brown. 15 of the files are yellow. The number of yellow files is twice the number of red files. What fraction of the files is brown?