Question
PSLE
Zara has a number of files in three colours: red, orange and purple. 12 of the files are red. The number of red files is four times the number of orange files. What fraction of the files is purple?
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PSLE
Zara has a number of files in three colours: red, orange and purple. 12 of the files are red. The number of red files is four times the number of orange files. What fraction of the files is purple?