Problem 4 (Albertsville to Bordertown)
The road from Albertsville to Bordertown begins with a 3 mile uphill slope. After that the road is flat for 5 miles until there is a downward slope for the last 6 miles, with the downward slope of the last six miles the same down as the slope of the first three miles are up. Randy starts to walk from Albertsville to Bordertown, but halfway there he changes his mind and turns around and walks back to Albertsville, arriving back at Albertsville 3 hrs and 36 minutes after he left. A little later he starts again but this time he walks all the way to Bordertown in 3 hours and 51 minutes. He then turns around and walks back to Albertsville, this final walk also taking 3 hours and 51 minutes. Determine Randy's uphill walking speed, downhill walking speed, and his speed on the flat portion of the road.
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Last modified on Tuesday, January 12, 1999