A commuter got on the train at the oakdale station at 6:50 a.m. She got off at metro station at 8:05 a.m. The train made five 3-minute stops along the way. Oakdale is 21 km from the end of the line, and metro station is 96 km from the end of the line.
A. What was the commuter's average speed getting to work?
B. What was the average speed of the train while it was under way?