- A300 m
- B900 m
- C4.5 km
- D600 m
Step-by-Step Solution
In half an hour the faster gains km laps m. Being 900 m ahead on a 1.2 km loop is the same as 300 m behind, so the shorter gap is 300 m.
Answer: A) 300 m
Two cyclists start together and ride the same way round a 1.2 km track at 18 km/h and 27 km/h. After 30 minutes, how far apart are they, measured the shorter way along the track?
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