A train left Podunk and traveled north at 75km/h. Two hours later, another train left Podunk and traveled in the same direction at 100 km/h. How many hours had the first train travelee when the second overtook it?

Answer 1

The distance between the trains when the second one startes is 150 km. The ditance between trains dimishes at a rate of 25 km/h.

Divide 150km by 25km/h for the answer.

Answer 2

6 hours