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  3. 3 neville and luna go to a used book sale where ev

3 Neville and Luna go to a used book sale where every book is the...

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3 Neville and Luna go to a used book sale where every book is the same price Neville buys 5 books and Luna buys 4 books They run into their friend Hermione who really loves to read and discover that she has bought 19 books Hermione received a 10 discount but she still spent 5 more than Neville and Luna combined How much does one book cost

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