Find the average speed when the first half of a journey is done at a speed of 60 km/h and the second half at a speed of 40 km/h.

Find the average speed when the first half of a journey is done at a s

1.	Find the average speed when the first half of a journey is done at a speed of 60 km/h and the second half at a speed of 40 km/h.
A.	45 km/h
B.	52 km/h
C.	48 km/h
D.	50 km/h
Answer» D. 50 km/h

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Find the average speed when the first half of a journey is done at a speed of 60 km/h and the second half at a speed of 40 km/h.

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