Question
PSLE
Penelope has a number of notebooks in three colours: yellow, brown and green. 311 of the notebooks are yellow. The number of yellow notebooks is four times the number of brown notebooks. What fraction of the notebooks is green?
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PSLE
Penelope has a number of notebooks in three colours: yellow, brown and green. 311 of the notebooks are yellow. The number of yellow notebooks is four times the number of brown notebooks. What fraction of the notebooks is green?