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On a trip, Marie drove the first half of the distance at an average speed of 30 miles per hour for a total of 13 hours of driving, and Juanita will drive the second half of the trip. They scheduled t hours driving for the entire distance. If they are to arrive exactly on schedule, at what average speed must Juanita drive the second half of the distance?
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· 相关考点
2.5.3 时速与距离问题
2.5.3 时速与距离问题
以上解析由 考满分老师提供。
