Question
Adam has stickers in 4 colours.
79 of the stickers are blue.
The rest of the stickers are green, red and yellow in the ratio of 1 : 4 : 9.
If there are 30 more red stickers than green stickers,
how many blue stickers are there?
3 m

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Adam has stickers in 4 colours.
79 of the stickers are blue.
The rest of the stickers are green, red and yellow in the ratio of 1 : 4 : 9.
If there are 30 more red stickers than green stickers,
how many blue stickers are there?