A train travels 240 km in 3 hours at a constant speed. How far does it travel in 5 hours at the same speed?
Answer and explanation
Correct answer: D. 400 km
- Step 1: Speed km/h. Step 2. Distance in 5 hours km. Answer: 400 km. Why not the others: 320 km uses 4 hours; 450 km uses a wrong speed; 360 km adds hours to kilometres, which have different units.
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