The equation P = 4.5b - 460.5 represents the profit in dollars from selling b books.
(a) Find the profit if you sell 80 books. (Include units in your answer.)
There is a of for selling 80 books.
(b) Find the profit if you sell 200 books. (Include units in your answer.)
There is a of for selling 200 books.
(c) How many books must you sell to make $3900 in profit?
To make $3,900 in profit, you must sell books.