Two Spaceships,each 100 M Long in Its Own Rest Frame,approach

Multiple Choice

Two spaceships,each 100 m long in its own rest frame,approach Earth from opposite directions,with equal speeds relative to Earth.As measured by a passenger in one of the spaceships,the other spaceship is 96 m long.What is the speed of the spaceships relative to Earth?

A) c/7
B) c/6
C) c/5
D) c/4
E) c/3