Maria Rivera Can Walk $2 \frac { 1 } { 2 }$

Maria Rivera can walk $2 \frac { 1 } { 2 }$ miles in 1 hour. At this rate, how far can Maria walk in $\frac { 1 } { 2 }$ hour?

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