Question
PSLE
Jack kept his grey and black cards in two boxes. The ratio of the number of grey to black cards in the first box was 1 : 6 and it was 1 : 2 in the second box. The two boxes contained the same number of cards. What fraction of Jack's cards were grey cards?
2 m

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PSLE
Jack kept his grey and black cards in two boxes. The ratio of the number of grey to black cards in the first box was 1 : 6 and it was 1 : 2 in the second box. The two boxes contained the same number of cards. What fraction of Jack's cards were grey cards?