Question 835951
My father actually had this happen but was working on the bridge. He hung from the bridge till the train passed.
here is  a similar problem with solution
http://www.algebra.com/algebra/homework/word/misc/Miscellaneous_Word_Problems.faq.question.166738.html
here is the same problem with different names
http://www.algebra.com/algebra/homework/equations/Equations.faq.question.804037.html