easy · GMAT Quant
A hiker walks for 2 hours at 3 km/h and then for 1 hour at 6 km/h.
What is the average speed for the entire hike?
- 3.5 km/h
- 5 km/h
- 4.8 km/h
- 4 km/h
- 4.5 km/h
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