Three Objects of Masses 1

Multiple Choice

Three objects of 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 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)