Hey. I'm fine... But you don't seem to be Mary. Who are you?

@grotjanmary860 yeah but follow me and pm me

Answer - insufficient data D= 80 miles What is the speed ? Are they walking from same side or from opposite sides ? If they start walking from opposite sides T={2D/(S1+S2)} If they start walking from same side T= {2D/(S1-S2)} Where S1 and S2 are speeds of first and second person respectively.

@giant-panda