Find the Ratio Described as a Fraction in Simplest Form $\frac { 13 } { 29 }$

Find the ratio described as a fraction in simplest form.
-Find the ratio of the width to the length of the rectangular garden sketched below.

A) $\frac { 13 } { 29 }$
B) $\frac { 16 } { 13 }$
C) $\frac { 13 } { 16 }$
D) $\frac { 13 } { 3 }$