19 a Find and interpret C 15 20n if 1 n 30 if 30 n 45 C n 15 50n 10n if n 45 21 b How much does it cost to order 45 copies of

Question

19 a Find and interpret C 15 20n if 1 n 30 if 30 n 45 C n 15 50n 10n if n 45 21 b How much does it cost to order 45 copies of the book What about 46 copies 22 Your answer to 19b should get you thinking Suppose a bookstore estimates it will sell 45 copies of the book How many books can in fact be ordered for the same price as those 45 copies Round your answer to a whole number of books 0 An on line clothing retailer charges shipping costs according to the following formula 55 SC

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