Question

A book store bought 160 copies of a book from the publisher for $4,000. If the store gives away 2 books, how much money will it lose?

Answer 1

`"Store will lose " color(crimson)($50), " which is the cost of 2 copies of the book"`

Explanation:

`"Cost of 160 copies of the book " = $4,000`

`"Cost of 1 copy of the book " = 4000/160 = $25`

`"Cost of 2 copies of the book " = 25 * 2 = $50`

`"Store will lose $50, which is the cost of 2 copies of the book"`