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# In this problem, assume a propagation speed of 95 km/hr and that each toll booth takes 8 seconds to service a car.

In this problem, assume a propagation speed of 95 km/hr and that each toll booth takes 8 seconds to service a car.

Suppose the caravan of 10 cars begins immediately in front of the first toll booth, travels 68 km to a second toll booth, then another 68 km to a third toll booth, and finally stops immediately after the third tool booth. Thus, they travel a total of 136 km. What is the total end-to-end delay?

Where is the last car in the caravan after one hour? Your answer must include a distance/specific location, and not only a relative direction.