Question
PSLE
David kept his silver and yellow marbles in two boxes. The ratio of the number of silver to yellow marbles in the first box was 3 : 4 and it was 1 : 2 in the second box. The two boxes contained the same number of marbles. What fraction of David's marbles were silver marbles?
2 m

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PSLE
David kept his silver and yellow marbles in two boxes. The ratio of the number of silver to yellow marbles in the first box was 3 : 4 and it was 1 : 2 in the second box. The two boxes contained the same number of marbles. What fraction of David's marbles were silver marbles?