Question
PSLE
Elyse has a number of notebooks in three colours: purple, green and yellow. 27 of the notebooks are purple. The number of purple notebooks is four times the number of green notebooks. What fraction of the notebooks is yellow?
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PSLE
Elyse has a number of notebooks in three colours: purple, green and yellow. 27 of the notebooks are purple. The number of purple notebooks is four times the number of green notebooks. What fraction of the notebooks is yellow?