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The College bookstore sold 125 books last week, 75 at $55.50, 30 at $76.50 and 20 at $93.50. What was the average price of a

The College bookstore sold 125 books last week, 75 at $55.50, 30 at $76.50 and 20 at $93.50. What was the average price of a book sold last week?

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