Question
PSLE
A box contains silver, yellow and blue marbles. 12 of the marbles are silver. 25 of the remaining marbles are yellow. What fraction of the marbles in the box are blue?
2 m

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PSLE
A box contains silver, yellow and blue marbles. 12 of the marbles are silver. 25 of the remaining marbles are yellow. What fraction of the marbles in the box are blue?