A rectangular poster must contain 192 in of printed text
MATHEMATICS · Subjective · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives
Problem
A rectangular poster must contain 192 in2 of printed text. The margins are to be 3 in at the top and bottom and 2 in on each side. Determine, to the nearest tenth of an inch, the overall width and height of the poster that minimize its total area.