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Mathematics, 18.03.2020 04:42 Ezekielcassese
A bookcase has 4 shelves. The bottom shelf has 10 books. Each of the other shelves has 5 more books than the shelf below it. How many books are in the bookcase.
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A bookcase has 4 shelves. The bottom shelf has 10 books. Each of the other shelves has 5 more books...
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