A person travels 600 km by train at 80 km/hr 800 km by ship at 400 km/ hr and 100 km by car at 50 km/hr. What is the average speed for the entire distance?
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Q:
A person travels 600 km by train at 80 km/hr 800 km by ship at 400 km/ hr and 100 km by car at 50 km/hr. What is the average speed for the entire distance?
- 1$$ 65{5\over 123} km.hr$$false
- 2$$ 130{10\over 23} km.hr$$true
- 3$$ 60{5\over 123} km.hr$$false
- 462 km.hrfalse
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