Arrival time: Jeff and Carla are driving separately from San Luis Obispo California to the north shore of Lake Tahoe, a distance of 325 miles. Jeff leaves San Luis Obispo at 11 a.m. and averages 55 miles per hour on the drive, Carla leaves later at 1 p.m. but averages 65 miles per hour. Which person arrives in Lake Tahoe first?

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