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A man is driving to his vacation home which is 125 miles away. The trip usually...

A man is driving to his vacation home which is 125 miles away. The trip usually takes him 2 hours when he drives straight through. He drives at his normal speed until 40 miles into his trip when he decides to stop for 10 minutes to get some McDonald’s drive through. At what speed must he drive for the remainder of the trip to complete the trip in the usual amount of time?

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