C 4.5 kilometers
In 30 minutes (half an hour), the athlete will cover half the distance he can cover in one hour, which is 4.5 kilometers (9 kilometers divided by 2).
An athlete can run 9 kilometers in 1 hour. If the athlete runs at that same average speed for 30 minutes, how far will the athlete travel?
A 18 kilometers
B 9 kilometers
C 4.5 kilometers
D It travels right at an increasing speed.
1 answer
2 answers