Question

A man walks at the rate of 5 km h for 6 h and at 4 km h for 12 h . the average speed of the man​

Answer 1

Answer:

Explanation:

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Answer 2

Explanation:

given

distance= 5×6 km = 30 km

and 4×12 km= 48 km

now,

30+48=78km

time = 6+12= 18 hrs

average speed = d/t

=78 /18

=13/3

= 4.34 km/ h