Problema Solution
a college book store marks up the price it pays the publisher for a book by 40%. If the selling price is $ 64.00, how much did the bookstore pay for the book?
Answer provided by our tutors
Let the price paid by bookstore owner = x
=> selling price by bookstore owner = 40% of x + x = 0.40x + x = 1.4x
=> 64=1.4x => x = $45.71