Question
PSLE
A bag contains cards of three different colours. 16 of the cards are orange. The ratio of the number of blue cards to that of brown cards is 1 : 2. What is the ratio of the number of orange cards to that of brown cards?
2 m

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PSLE
A bag contains cards of three different colours. 16 of the cards are orange. The ratio of the number of blue cards to that of brown cards is 1 : 2. What is the ratio of the number of orange cards to that of brown cards?