Question
PSLE
A bag contains cards of three different colours. 15 of the cards are brown. The ratio of the number of purple cards to that of blue cards is 1 : 2. What is the ratio of the number of brown cards to that of blue cards?
2 m

Click button first when a symbol is required. X

PSLE
A bag contains cards of three different colours. 15 of the cards are brown. The ratio of the number of purple cards to that of blue cards is 1 : 2. What is the ratio of the number of brown cards to that of blue cards?