Question
PSLE
A packet contains purple, red and green marbles. 310 of the marbles are purple. 17 of the remaining marbles are red. What fraction of the marbles in the packet are green?
2 m

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PSLE
A packet contains purple, red and green marbles. 310 of the marbles are purple. 17 of the remaining marbles are red. What fraction of the marbles in the packet are green?