Question
PSLE
A bag contains coins of three different colours. 12 of the coins are red. The ratio of the number of purple coins to that of green coins is 1 : 8. What is the ratio of the number of purple coins to that of red coins?
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PSLE
A bag contains coins of three different colours. 12 of the coins are red. The ratio of the number of purple coins to that of green coins is 1 : 8. What is the ratio of the number of purple coins to that of red coins?