Question
PSLE
Risa has a number of files in three colours: yellow, blue and green. 511 of the files are yellow. The number of yellow files is four times the number of blue files. What fraction of the files is green?
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PSLE
Risa has a number of files in three colours: yellow, blue and green. 511 of the files are yellow. The number of yellow files is four times the number of blue files. What fraction of the files is green?