A traveler is walking on a moving walkway in an airport. The traveler must walk back on the walkway to get a bag he forgot. The traveler’s groundspeed is 2 ft / s against the walkway and 6 ft / s with the walkway. What is the travelers speed off the walkway? What is the speed of the moving walkway?

Answer 1

If his own speed is s, and the walkway's speed is w, then
s+w = 6
s-w = 2
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