Question
Adam has stickers in 4 colours.
58 of the stickers are green.
The rest of the stickers are blue, red and yellow in the ratio of 3 : 5 : 7.
If there are 20 more red stickers than blue stickers,
how many green stickers are there?
3 m

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Adam has stickers in 4 colours.
58 of the stickers are green.
The rest of the stickers are blue, red and yellow in the ratio of 3 : 5 : 7.
If there are 20 more red stickers than blue stickers,
how many green stickers are there?