Question
PSLE
Xandra has a number of notebooks in three colours: purple, brown and blue. 310 of the notebooks are purple. The number of purple notebooks is twice the number of brown notebooks. What fraction of the notebooks is blue?
2 m

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PSLE
Xandra has a number of notebooks in three colours: purple, brown and blue. 310 of the notebooks are purple. The number of purple notebooks is twice the number of brown notebooks. What fraction of the notebooks is blue?