+80 A bookstore is deciding what price it should charge for a certain book. After research, the store finds that if the book's price is p dollars (where 41 ≥ p), then the number of books sold per month is 123-3p. What price should the store charge to maximize its revenue?
+36915 Similar to previous posting
the number of books sold 123-3p
revenue = (123-3p) * p = -3p^2 + 123p max = -b/2a = -123/-6 = 20.5 dollars /book
[123-3(20.5)] * 20.5 = $ 1260.75 max revenue
+36915 Similar to previous posting
the number of books sold 123-3p
revenue = (123-3p) * p = -3p^2 + 123p max = -b/2a = -123/-6 = 20.5 dollars /book
[123-3(20.5)] * 20.5 = $ 1260.75 max revenue
