An Irregularly Shaped Object That Is 10 M Long Is $96 \mathrm {~N}$

Multiple Choice

An irregularly shaped object that is 10 m long is placed with each end on a scale. If the scale on the right reads $96 \mathrm {~N}$ while the scale on the left reads $71 \mathrm {~N}$ how far from the left end is the center of gravity of this object?

A) 5.7 m
B) 7.4 m
C) 4.3 m
D) 14 m