Problema Solution

A freight train leaves San Luis traveling east at a speed of 50 km per hour. Two hours later a passenger train leaves San Luis traveling in the same direction on a parallel track at 80 km per hour. At what point will the passenger train catch up with the freight train?

Answer provided by our tutors

 

              After x hours they will meet

 

                      50(x + 2) = 80x

                       30x = 100

                          x = 10/3 = 3.33 hous = 3 hours 20 mins