A printed page must contain of text

MATHEMATICS · Subjective · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

Problem

A printed page must contain

192\text{ in}^2

of text. The page has margins of

2\text{ in}

on each side and

1\text{ in}

at both the top and bottom. Determine the width of the entire page (to the nearest tenth of an inch) that minimizes the total area of paper used.