Question
PSLE
Roshel has a number of staplers in three colours: orange, purple and blue. 511 of the staplers are orange. The number of orange staplers is twice the number of purple staplers. What fraction of the staplers is blue?
2 m

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PSLE
Roshel has a number of staplers in three colours: orange, purple and blue. 511 of the staplers are orange. The number of orange staplers is twice the number of purple staplers. What fraction of the staplers is blue?