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