Question
Adam has stickers in 4 colours.
67 of the stickers are red.
The rest of the stickers are blue, yellow and green in the ratio of 2 : 4 : 7.
If there are 30 more yellow stickers than blue stickers,
how many red stickers are there?
3 m

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Adam has stickers in 4 colours.
67 of the stickers are red.
The rest of the stickers are blue, yellow and green in the ratio of 2 : 4 : 7.
If there are 30 more yellow stickers than blue stickers,
how many red stickers are there?