Question
PSLE
Barbara has a number of staplers in three colours: orange, yellow and red. 310 of the staplers are orange. The number of orange staplers is twice the number of yellow staplers. What fraction of the staplers is red?
2 m

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PSLE
Barbara has a number of staplers in three colours: orange, yellow and red. 310 of the staplers are orange. The number of orange staplers is twice the number of yellow staplers. What fraction of the staplers is red?