Question
Fred had 4 times as many books as Jack. After Fred and Jack donated 77 books and 17 books away respectively, they were left with an equal number of books. How many books did Fred have at first?
4 m

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Fred had 4 times as many books as Jack. After Fred and Jack donated 77 books and 17 books away respectively, they were left with an equal number of books. How many books did Fred have at first?