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