Two trains traveling on parallel tracks are going toward each other from a distance of 558 miles. If the freight train is moving at 40 mph and the passenger train is moving at 53 mph, when will t

Two trains traveling on parallel tracks are going toward each other from a distance of

558 miles. If the freight train is moving at 40 mph and the passenger train is moving at

53 ​mph, when will the trains pass each​ other?

Two trains except to pass each other in ___ hours.

Dennis and Chris Reed leave simultaneously from the same point hiking in opposite​ directions, Dennis walking at 4 miles per hour and Chris at 3 mph. How long can they talk on their​ walkie-talkies if the​ walkie-talkies have a 15 mile​ radius?

___hours