If You Drive $273$ Miles On $19 \frac { 1 } { 2 }$

If you drive $273$ miles on $19 \frac { 1 } { 2 }$ gallons of gas, what is the simplified ratio of miles to gallons?

A) $14 \text { to } 1$
B) $15 \text { to } 1$
C) $7 \text { to } 1$
D) $39 \text { to } 2$
E) A ratio of $273$ to $19 \frac { 1 } { 2 }$ is not permitted because a ratio cannot contain fractions.