Asked by liz

a car crosses the street ABC. the segment AB = average speed of 60km / h for 2 hours, the length BC = average speed of 90km / h for 1 h. the average speed of car travel in AC is? the route is a straight line
Answered by drwls
How can it take three hours to cross a strret? It sounds to me like the car is traveling ALONG ABC, not across it.
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