A Border of Uniform Width Is Printed on a Page $\frac { 1 } { 3 }$

Multiple Choice

A border of uniform width is printed on a page measuring 18 in. by 11 in. (See the figure below.) The area of the border is 28 in.². Find the width of the border.

A) 1 in.
B) $\frac { 1 } { 3 }$ in.
C) $\frac { 1 } { 2 }$ in.
D) $\frac { 1 } { 4 }$ in.
E) $1 \frac { 1 } { 2 }$ in.