Question

5)
A boy
goes
from
his house
to school by at a
speed of 20 km/he and return
back through the same root
at a
a speed of 30 km/hr.
she average speed of his
journey? ?
​

Answer 1

Answer:

25 km/h

Step-by-step explanation:

Average speed= v1+v2/2

=20+30/2

=50/2

=25 Km/h

Hope it helps you.

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Answer 2

Step-by-step explanation:

this is your answer please mark me as brainlist