Homework Help: algebra

Posted by joshua on Thursday, January 8, 2009 at 9:35pm.

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?

algebra - drwls, Thursday, January 8, 2009 at 10:35pm
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.

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