EM-2791
Rate and average speed
E Math · Secondary 4 · Easy · Rate and average speed
A car travels 180 km in 3 hours at a constant speed. It then increases its speed by 20%. What is the new speed of the car in km/h?
- 64 km/h
- 72 km/h
- 78 km/h
- 90 km/h
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