Question

Please answer this question very urgent​

Answer 1

Speed of X = 0 km/h

Speed of Y = 120/15 = 8 km/h

Speed of Z = 180/15 = 12 km/h

Uniform speed between X and Y = 8 km/h

Uniform speed between Y and Z = 4 km/h

Answer 2

Step-by-step explanation:

8km/h

4km/h

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