Concept explainers
For Exercises 29-48, use a variation model to solve for the unknown value.
A chef self-publishes a cookbook and finds that the number of books she can sell per month varies inversely as the price of the book. The chef can sell 1500 books per month when the price is set at
a. How many books would she expect to sell per month if the price were
b. How many books would she expect to sell pet month if the price were
c. How many books would she expect to sell per month if the price were
d. If the chef sells 1200 books, what price was set?

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