Respuesta :

Answer:

rest in the journey for 1 hours

Step-by-step explanation:

Wallind11

Step-by-step explanation:

Speed of Jo walking for 30 mins =distance covered by Jo in 30 mins/ Time taken i.e 30mins

[tex]speed = \frac{3km}{30mins} = \frac{3000m}{30mins} = \frac{100m}{min} [/tex]

i.e 100 metres per min

He took rest for 10 mins .

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