Question
The number of blue and red stickers are equal.
If Adam gives away 90 blue stickers and 30 red stickers,
the ratio of blue stickers to red stickers becomes 4 : 7.
How many stickers are there at first?
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The number of blue and red stickers are equal.
If Adam gives away 90 blue stickers and 30 red stickers,
the ratio of blue stickers to red stickers becomes 4 : 7.
How many stickers are there at first?