Question
Nicole used 25 of her black stickers and 35 of her red stickers to decorate her diary. In the end, she had an equal number of black stickers and red stickers left. Given that Nicole had a total of 50 black and red stickers at first, how many red stickers did she use to decorate the diary?
4 m

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Nicole used 25 of her black stickers and 35 of her red stickers to decorate her diary. In the end, she had an equal number of black stickers and red stickers left. Given that Nicole had a total of 50 black and red stickers at first, how many red stickers did she use to decorate the diary?