alleryA hiker walks 12 km at 4 km/h and rests 1 h. Average speed including rest?
A4 km/h
B3 km/h
C2 km/h
D5 km/h
Answer & Solution
Correct answer: B. 3 km/h
Walking takes 12 ÷ 4 = 3 hours, so including the rest the average speed is 12 ÷ 4 = 3 km/h.
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