Question
PSLE
Joelle has a number of files in three colours: yellow, brown and blue. 23 of the files are yellow. The number of yellow files is four times the number of brown files. What fraction of the files is blue?
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PSLE
Joelle has a number of files in three colours: yellow, brown and blue. 23 of the files are yellow. The number of yellow files is four times the number of brown files. What fraction of the files is blue?