A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:

Time and Distance

1)	A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:

A) 35.55 kmph
B) 36 kmph
C) 71.11 kmph
D) 71 kmph

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