Find the Ratio Described as a Fraction in Simplest Form $\frac { 11 } { 8 }$

Find the ratio described as a fraction in simplest form.
-According to an organization's membership list, it has 2750 members who are married and 2000 members who are single. What is the ratio of members who are married to members who are single?

A) $\frac { 11 } { 8 }$
B) $\frac { 8 } { 55 }$
C) $\frac { 11 } { 40 }$
D) $\frac { 8 } { 11 }$