Mathematics, 05.11.2021 22:40 duracohack

Shelly drove the 50 miles from her home to her office at an average speed of 75 miles per hour. Coming home, she encountered heavy traffic and drove the same 50 miles at an average speed of 50 miles per hour. What was her average speed for the entire 100-mile roundtrip?

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Shelly drove the 50 miles from her home to her office at an average speed of 75 miles per hour. Comi...

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