Question

http://static.k12.com/calms_media/media/1357500_1358000/1357619/1/c08f9b06e1a4a6a86101eef8f4952090ef8fd57c/MS_PHYS_SCI_286558.jpg

What was the hiker's average speed for the entire hike?



A.
0.187 km/hr

B.
4 km/h

C.
2.6 km/h

D.
5.3 km/h

Answer 1

average speed = total distance travelled /total time taken
total distance = 4+6+6+8 =24
total time =4.5 h
avg speed =5.3