(Solved): Three solid, uniform boxes are aligned as in the figure below. Find the \( x \) - and \( y \)-coord ...

Three solid, uniform boxes are aligned as in the figure below. Find the \( x \) - and \( y \)-coordinates (in \( m \) ) of the center of mass of the thred boxes, measured from the bottom left corner of box A. (Consider the three-box system.)