A Runner Runs 10 M from the Origin Toward the WEST

Multiple Choice

A runner runs 10 m from the origin toward the WEST to point A. He then runs from point A 20 m more toward the EAST to point B. He then runs from point B 30 m more toward the WEST to point C. The runner's total displacement from the origin to point C is

A) 60 m toward the WEST.
B) 50 m toward the WEST.
C) 20 m toward the WEST.
D) 10 m toward the WEST.
E) 0 m.