Question
PSLE
A box contains yellow, gold and white marbles. 13 of the marbles are yellow. 12 of the remaining marbles are gold. What fraction of the marbles in the box are white?
2 m

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PSLE
A box contains yellow, gold and white marbles. 13 of the marbles are yellow. 12 of the remaining marbles are gold. What fraction of the marbles in the box are white?