Question
PSLE
Shannon has a number of pens in three colours: yellow, blue and brown. 12 of the pens are yellow. The number of yellow pens is four times the number of blue pens. What fraction of the pens is brown?
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PSLE
Shannon has a number of pens in three colours: yellow, blue and brown. 12 of the pens are yellow. The number of yellow pens is four times the number of blue pens. What fraction of the pens is brown?