Question

abdul while driving to school have speed of 20km per h while returning it is 40 km per hour calculate average speed​

Answer 1

Answer:

20+40/2 = 30

average speed 30 km per hour

Answer 2

Answer:

こんいちわ、

Going Speed (S1) = 20kmph

Returning Speed(S2) = 40 kmph

Average speed = S1 + S2/2

= ( 20+40/2 ) kmph

= ( 60/2 ) kmph

= 30 kmph

ぐださい、

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さようなら。