EM-2357

Rate and average speed

E Math · Secondary 4 · Easy · Rate and average speed

1. $60\,\text{km h}^{-1}$
2. $180\,\text{km h}^{-1}$
3. $540\,\text{km h}^{-1}$
4. $30\,\text{km h}^{-1}$

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