Posted by **Pam** on Monday, April 29, 2013 at 6:01pm.

A man is 3/8th of the way across a railroad bridge when he hears a train coming. He knows that this passenger train cruises along at 60 MPH in this area. It turns out that he can run to either end of the bridge and jump off just ahead of the train. Assuming he runs a a constant speed, how fast does he have to run?

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