Question
The ratio of the number of blue stickers to red stickers is 3 : 1.
After Adam buys another 30 blue stickers and 40 red stickers,
the ratio becomes of the number of blue stickers to red stickers is 4 : 3.
How many stickers does Adam have now?
3 m

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The ratio of the number of blue stickers to red stickers is 3 : 1.
After Adam buys another 30 blue stickers and 40 red stickers,
the ratio becomes of the number of blue stickers to red stickers is 4 : 3.
How many stickers does Adam have now?