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

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