Question
PSLE
Gillian has a number of pens in three colours: yellow, purple and red. 311 of the pens are yellow. The number of yellow pens is twice the number of purple pens. What fraction of the pens is red?
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PSLE
Gillian has a number of pens in three colours: yellow, purple and red. 311 of the pens are yellow. The number of yellow pens is twice the number of purple pens. What fraction of the pens is red?