Question 595182
at 3:00pm, andy began walking directly south from point A at a rate of 4mi/hr. at the same time, bil started walking directly west from point B to point A, at a rate of  5mi/hr. 
the distance between A and B is 9 miles. Assume that both of them stop walking when reaches point A
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And what happened?
Don't leave us in suspense.
Are they still standing out there?