Question
PSLE
Kathy has a number of pens in three colours: blue, purple and brown. 711 of the pens are blue. The number of blue pens is four times the number of purple pens. What fraction of the pens is brown?
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PSLE
Kathy has a number of pens in three colours: blue, purple and brown. 711 of the pens are blue. The number of blue pens is four times the number of purple pens. What fraction of the pens is brown?