Question
PSLE
A bag contains pink, black and blue marbles. 12 of the marbles are pink. 49 of the remaining marbles are black. What fraction of the marbles in the bag are blue?
2 m

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PSLE
A bag contains pink, black and blue marbles. 12 of the marbles are pink. 49 of the remaining marbles are black. What fraction of the marbles in the bag are blue?