Question
PSLE
Xuan has a number of files in three colours: green, purple and orange. 512 of the files are green. The number of green files is four times the number of purple files. What fraction of the files is orange?
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PSLE
Xuan has a number of files in three colours: green, purple and orange. 512 of the files are green. The number of green files is four times the number of purple files. What fraction of the files is orange?