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QveST [7]
3 years ago
10

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 p <= 40), then the number of books sold per month is 120-3p. What price should the store charge to maximize its revenue?
Mathematics
1 answer:
Wewaii [24]3 years ago
6 0

Answer:

[130-5(13)] (13) = $845   max revenue.

Step-by-step explanation:

If the number of books sold = 130-5p      then revenue will be   (130-5p)p = -5p^2+130p

the maximum can be found by graphing or by the fact that the max will be   -b/2a   =   -130/-10 = 13 dollars/book

 

[130-5(13)] (13) = $845   max revenue.

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