Question

a boy goes from his house to school by bus at a speed of 20 km per hour and returns through the same route at a speed of 40 km per hour the average speed of hos journey us​

Answer 1

Answer:

Oh yeah I know this

Explanation:

so... the thing.. you need to understand that

you have to listen what I am talking

the thing I am talking is that firstly you have to understand the question carefully...

you need to understand what the question want to say

then you will answer the questions

then you don't have to listen any other person

ok?

is it clear?