Mathematics, 25.03.2020 06:26, ccollingwood

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 cost function for this
bookstore?
O
A. C= 12n + 90
O B. C= 18n+90
O C. C= 90n +15
O D. C= 90n+ 12

Answers: 2

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A bookstore costs $90 a day to keep open, and spends $12 for each book it
sells. The store cha...