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