Question
Adam has stickers in 4 colours.
27 of the stickers are green.
The rest of the stickers are yellow, red and blue in the ratio of 3 : 4 : 9.
If there are 40 more red stickers than yellow stickers,
how many green stickers are there?
3 m

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Adam has stickers in 4 colours.
27 of the stickers are green.
The rest of the stickers are yellow, red and blue in the ratio of 3 : 4 : 9.
If there are 40 more red stickers than yellow stickers,
how many green stickers are there?