Car A is traveling east at a steady speed of 50 miles per hour. After 2 hours, it is 140 miles east of Johnstown.

Car B is traveling east on the same road. Its distance east of Johnstown is
represented by the graph.

Where were the two cars in relation to each other when they began traveling?

A. Car A was 20 miles east of car B
B. Car B was 40 miles east of car A
C. Car A was 40 miles east of car B
D. Car B was 20 miles east of car A