Question
PSLE
Zoe has a number of files in three colours: brown, red and orange. 19 of the files are brown. The number of brown files is thrice the number of red files. What fraction of the files is orange?
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PSLE
Zoe has a number of files in three colours: brown, red and orange. 19 of the files are brown. The number of brown files is thrice the number of red files. What fraction of the files is orange?