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**1. The problem: A cyclist travels to work at an average speed of 3 m/s and returns home at an average of 9 m/s. Calculate the average speed for the whole journey.**

**2. Hints given by the teacher:**

The answer is not 6 m/s & the answer is around [approximately] 4.5 m/s.

The answer is not 6 m/s & the answer is around [approximately] 4.5 m/s.

**3. The distance was not given, if it is needed...**

*m/s is meters per second.

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