Question
PSLE
Gem has a number of pens in three colours: yellow, blue and purple. 13 of the pens are yellow. The number of yellow pens is four times the number of blue pens. What fraction of the pens is purple?
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PSLE
Gem has a number of pens in three colours: yellow, blue and purple. 13 of the pens are yellow. The number of yellow pens is four times the number of blue pens. What fraction of the pens is purple?