Mathematics, 20.07.2019 15:00 hilllz4793
Abookstore 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?
Answers: 2
. Profit function is 
. And the revenue function is 
. In a day, bookstore must sell at least 15 books, because of 6n-90=0, in order to make profit. Another question on Mathematics
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Abookstore costs $90 a day to keep open, and spends $12 for each book it sells. the store charges $1...
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