A marathon is 42.195 km. If a runner completes it in 3 hours 30 minutes, what is their average speed in km/h?
Answer
12.06 km/h
How to solve it
1
Distance: 42.195 km
2
Time: 3.5 hours
3
Speed: 42.195 ÷ 3.5 ≈ 12.06 km/h
Hints
Convert 30 minutes to 0.5 hours
Divide distance by time