Three Masses, 1

Multiple Choice

Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0.0 m, 0.0 m) , (1.0 m, 1.0 m) , and (2.0 m, -2.0 m) , respectively. What is the location of the center of mass (or center of gravity) of this system?

A) (-1.3 m, -0.67 m)
B) (1.3 m, -0.67 m)
C) (-1.3 m, 0.67 m)
D) (1.3 m, 0.67 m)