Question
PSLE
A bag contains coins of three different colours. 112 of the coins are green. The ratio of the number of yellow coins to that of red coins is 3 : 1. What is the ratio of the number of yellow coins to that of green coins?
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PSLE
A bag contains coins of three different colours. 112 of the coins are green. The ratio of the number of yellow coins to that of red coins is 3 : 1. What is the ratio of the number of yellow coins to that of green coins?