Question
The ratio of the number of red stickers to blue stickers is 8 : 3.
After Adam buys another 21 blue stickers and gives away 16 red stickers,
the ratio becomes of the number of red stickers to blue stickers is 7 : 3.
How many stickers does Adam have now?
3 m

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The ratio of the number of red stickers to blue stickers is 8 : 3.
After Adam buys another 21 blue stickers and gives away 16 red stickers,
the ratio becomes of the number of red stickers to blue stickers is 7 : 3.
How many stickers does Adam have now?