Question
The number of blue and green stickers are equal.
If Adam gives away 30 blue stickers and 10 green stickers,
the ratio of blue stickers to green stickers becomes 2 : 7.
How many stickers are there at first?
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The number of blue and green stickers are equal.
If Adam gives away 30 blue stickers and 10 green stickers,
the ratio of blue stickers to green stickers becomes 2 : 7.
How many stickers are there at first?