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