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On a road trip, a driver achieved an average speed of 68 km/h for the first...

On a road trip, a driver achieved an average speed of 68 km/h for the first 86.0 km and an average speed of 38 km/h for the remaining 54.0 km. What was her average speed (in km/h) for the entire trip? Round your final answer to three significant figures.

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Answer #1

Sunce, speed cv) = distance ab ance CC 千 amcc S= 140,0 km 68.O 2 33.6 average speed avourg 2.68 Vog=52.2 km Kreplease upvote.

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