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Mathematics, 29.04.2021 20:50 1945
Regina owns a book store. She sold 87, 94, 91, and 84 books on the first 4 days of this week. Regina wants to have a mean of 90 books sold after 5 days.
What is the number of books Regina must sell on day 5 to have a mean of 90 books sold?
89
90
94
98
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Regina owns a book store. She sold 87, 94, 91, and 84 books on the first 4 days of this week. Regina...
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