Question
PSLE
A packet contains grey, green and yellow marbles. 45 of the marbles are grey. 12 of the remaining marbles are green. What fraction of the marbles in the packet are yellow?
2 m

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PSLE
A packet contains grey, green and yellow marbles. 45 of the marbles are grey. 12 of the remaining marbles are green. What fraction of the marbles in the packet are yellow?