Mathematics, 18.10.2021 01:00 BARRION1981

A bookstore had 98 copies of a magazine. Yesterday, it sold 2/7 of them. Today, it sold 3/7 of what remained. How many copies does the bookstore have left?

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A bookstore had 98 copies of a magazine. Yesterday, it sold 2/7 of them. Today, it sold 3/7 of what...