Question
PSLE
Raeann has a number of files in three colours: green, yellow and blue. 57 of the files are green. The number of green files is four times the number of yellow files. What fraction of the files is blue?
2 m

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PSLE
Raeann has a number of files in three colours: green, yellow and blue. 57 of the files are green. The number of green files is four times the number of yellow files. What fraction of the files is blue?