Question
PSLE
Fanny has a number of notebooks in three colours: yellow, red and orange. 13 of the notebooks are yellow. The number of yellow notebooks is thrice the number of red notebooks. What fraction of the notebooks is orange?
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PSLE
Fanny has a number of notebooks in three colours: yellow, red and orange. 13 of the notebooks are yellow. The number of yellow notebooks is thrice the number of red notebooks. What fraction of the notebooks is orange?