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3 years ago

9

Car crosses the first third of the road with unknown speed and the rest of the road with the speed of 50 km/h. What is the the s

peed in the first third if the average speed of a car is 30km/h?

1 answer:

Digiron [165]3 years ago

6 0

40 km/h because the average of 50 and 30 is 40

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