Question
Zane had 4 times as many books as Lee. After Zane and Lee donated 90 books and 18 books away respectively, they were left with an equal number of books. How many books did Zane have at first?
4 m

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Zane had 4 times as many books as Lee. After Zane and Lee donated 90 books and 18 books away respectively, they were left with an equal number of books. How many books did Zane have at first?