Question
The number of red and blue stickers are equal.
If Adam gives away 40 red stickers and 30 blue stickers,
the ratio of red stickers to blue stickers becomes 4 : 9.
How many stickers are there at first?
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The number of red and blue stickers are equal.
If Adam gives away 40 red stickers and 30 blue stickers,
the ratio of red stickers to blue stickers becomes 4 : 9.
How many stickers are there at first?