EM-870
Rate and average speed
E Math · Secondary 3 · Medium · Rate and average speed
A car travels 40 km at an average speed of 80 km/h and then another 30 km at an average speed of 60 km/h. What is the average speed of the car for the whole journey?
- 60 km/h
- 65 km/h
- 70 km/h
- 75 km/h
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