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?

A. 74. 24 km/hr

B. 71.11 km/hr

C. 70.24 km/hr

D. 72.21 km/hr

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.