Two vehicles start moving from city A towards city B at the same time. When the faster vehicle has traveled half the distance, the slower vehicle has traveled 40 km. When the slower vehicle has traveled half the distance, the faster vehicle has traveled 90 km.
Given this, what is the distance between cities A and B in km?\\
A) 120\\
B) 130\\
C) 140\\
D) 150\\
E) 160