User83874 User83874

22-09-2022
Physics

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After driving 12 miles in the city in 22 minutes, I finally get on the expressway and travel the next 67 miles in only 1.0 hour. Unfortunately, I must travel 3.5 miles through side streets (which takes 10.0 minutes) to finally reach my destination. What was my average speed in mi/hr?

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