A car travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. What is

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A car travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. What is the average speed for the first 320 km of the tour?

Options:

A . 70.24 km/hr

B . 74. 24 km/hr

C . 71.11 km/hr

D . 72.21 km/hr

Answer: Option C
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