Question

I just need question a I don’t understand it and it would mean a lot if you can help me

Answer 1

Answer:

rest in the journey for 1 hours

Step-by-step explanation:

Answer 2

Step-by-step explanation:

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

$speed = \frac{3km}{30mins} = \frac{3000m}{30mins} = \frac{100m}{min}$

i.e 100 metres per min

He took rest for 10 mins .