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12 December, 19:37

A bookstore costs $90 a day to keep open, and spends $12 for each book it sells. the store charges $18 for each book it sells. If n represents the number of books sold, which equation represents the revenue function for this bookstore?

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  1. 12 December, 19:57
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    Given that n is the total number of books sold, revenue generated is given by:

    Revenue = (number of books sold) * (Price per book)

    Price per book=$18

    Number of books sold=n

    thus

    Revenue, R (n) = 18n

    Answer: 18n
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