Question
PSLE
Seth kept his pink and grey marbles in two boxes. The ratio of the number of pink to grey marbles in the first box was 5 : 7 and it was 1 : 3 in the second box. The two boxes contained the same number of marbles. What fraction of Seth's marbles were pink marbles?
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PSLE
Seth kept his pink and grey marbles in two boxes. The ratio of the number of pink to grey marbles in the first box was 5 : 7 and it was 1 : 3 in the second box. The two boxes contained the same number of marbles. What fraction of Seth's marbles were pink marbles?