Question
PSLE
A bag contains cards of three different colours. 12 of the cards are green. The ratio of the number of yellow cards to that of red cards is 1 : 2. What is the ratio of the number of green cards to that of red cards?
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PSLE
A bag contains cards of three different colours. 12 of the cards are green. The ratio of the number of yellow cards to that of red cards is 1 : 2. What is the ratio of the number of green cards to that of red cards?