A person covers 40% of the distance from A to B at 8 km/h, 40% of the remaining distance at 9 km/h and the rest at 12 km/h. His average speed (in km/h) for the journey is:

A person covers 40% of the distance from A to B at 8 km/h, 40% of the

1.	A person covers 40% of the distance from A to B at 8 km/h, 40% of the remaining distance at 9 km/h and the rest at 12 km/h. His average speed (in km/h) for the journey is:
A.	\(9\frac{5}{8}\)
B.	\(9\frac{2}{3}\)
C.	\(9\frac{3}{8}\)
D.	\(9\frac{1}{3}\)
Answer» D. \(9\frac{1}{3}\)

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A person covers 40% of the distance from A to B at 8 km/h, 40% of the remaining distance at 9 km/h and the rest at 12 km/h. His average speed (in km/h) for the journey is:

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