Math, asked by tapsrathod9840, 1 year ago

A boy goes from his house to school by bus at a speed of 20 km/h and returns back through the same route at a speed of 30 km/h . What is the average speed of his journey? How did we get x/20 +x/30 =x12

Answers

Answered by TirthaVaidya49

1

It will be 4o because he went at speed 20and by coming back he went at speed 20 so answer 40

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