A book designer decided that the pages of a book should have 1-in. margins at the top and bottom and

Question

1
2
 in. margins on the sides. She further stipulated that each page should have an area of 52 in.2. Find a function in the variable x, giving the area of the printed region

Answer 1

printed width = x
page width = x+1
page height = 52/(x+1)
printed height = 52/(x+1) - 2

printed area is x(52/(x+1) - 2) = 52x/(x+1) - 2x