Question
PSLE
Shannon has a number of files in three colours: orange, green and brown. 12 of the files are orange. The number of orange files is twice the number of green files. What fraction of the files is brown?
2 m

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PSLE
Shannon has a number of files in three colours: orange, green and brown. 12 of the files are orange. The number of orange files is twice the number of green files. What fraction of the files is brown?