Three Masses Are Positioned Along the X-Axis

Multiple Choice

Three masses are positioned along the x-axis.Their masses and positions are m₁ = m with x₁ = 1.0 m,m₂ = 2m with x₂ = 2.0 m,and m₃ = 9.0m with x₃ = 3.0 m.What is the x-coordinate of the center of mass of this system,to the nearest tenth?

A) 4.7 m
B) 2.7 m
C) 2.0 m
D) 0.7 m
E) Not enough information