A traveler travels on a highway 80 miles at 55 miles per hour, he then travels back on the same highway at 45 miles per hour. What was his average rate of speed. (Hint: it's not 50 miles per hour)

Question

A traveler travels on a highway 80 miles at 55 miles per hour, he then travels back on the same highway at 45 miles per hour.  What was his average rate of speed. (Hint: it's not 50 miles per hour)

If it's not 50, i'm so confused!!! Please help!!! (and please show me how you did it!)

PsyDAG · Answer

I'm confused too. Without any additional data, I would say 50 mph. Sorry.

Patricia · Answer

46.5 miles