Mathematics, 31.01.2020 18:50 vuqepete4528
Thirty-one books are arranged from left to right in order of increasing prices. the price of each book differs by $2 from that of each adjacent book. the price of the book at the extreme right is equal to the price of the middle book plus a book adjacent to the middle one. give an expression for the cost of the $n$th book in terms of $n$
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Thirty-one books are arranged from left to right in order of increasing prices. the price of each bo...
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