At 7:00am, one train leaves its station headed north at 70km/h. At the same time, another train leaves a different station 135km to the west, and that train is traveling due east at 90km/h. At what time will the two trains be closest to each other?
(Edited 24 seconds later.)
@243,639 (B)
Why would he need one? Whilst he has misused the comma, neither sentence segments are questions.