Question
PSLE
Yen has a number of pens in three colours: purple, red and orange. 25 of the pens are purple. The number of purple pens is thrice the number of red pens. What fraction of the pens is orange?
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PSLE
Yen has a number of pens in three colours: purple, red and orange. 25 of the pens are purple. The number of purple pens is thrice the number of red pens. What fraction of the pens is orange?