Felipe Jogs for 12 Miles and Then Walks Another 12 $2 \frac { 1 } { 2 }$

Multiple Choice

Felipe jogs for 12 miles and then walks another 12 miles. He jogs $2 \frac { 1 } { 2 }$ miles per hour faster than he walks, and the entire distance of 24 miles takes 11 hours. Find the rate at which he walks and the rate at which he jogs.

A) Jog at 4 mph and walk at 2 mph.
B) Jog at 4.5 mph and walk at 2 mph.
C) Jog at 4 mph and walk at 1.5 mph.