A person covers 40% of a distance with a speed of 60 km/h and the remaining with a speed of 40 km/h. what is his average speed for the whole journey in km/h?

A person covers 40% of a distance with a speed of 60 km/h and the rema

1.	A person covers 40% of a distance with a speed of 60 km/h and the remaining with a speed of 40 km/h. what is his average speed for the whole journey in km/h?
A.	500/11
B.	500/13
C.	600/13
D.	600/11
Answer» D. 600/11

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A person covers 40% of a distance with a speed of 60 km/h and the remaining with a speed of 40 km/h. what is his average speed for the whole journey in km/h?

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