Question
PSLE
Roshel has a number of pens in three colours: yellow, purple and blue. 47 of the pens are yellow. The number of yellow pens is thrice the number of purple pens. What fraction of the pens is blue?
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PSLE
Roshel has a number of pens in three colours: yellow, purple and blue. 47 of the pens are yellow. The number of yellow pens is thrice the number of purple pens. What fraction of the pens is blue?