Solve
-A Motorcycle Traveling at 50 Miles Per Hour Overtakes $56 \frac { 1 } { 4 } \mathrm { mi }$

Multiple Choice

Solve.
-A motorcycle traveling at 50 miles per hour overtakes a car traveling at 30 miles per hour that had a three-hour head start. How far from the starting point are the two vehicles?

A) $56 \frac { 1 } { 4 } \mathrm { mi }$
B) $4 \frac { 1 } { 2 } \mathrm { mi }$
C) $7 \frac { 1 } { 2 } \mathrm { mi }$
D) $225 \mathrm { mi }$