Mathematics, 26.07.2020 01:01 nathang444

Bob rides a bike to school, within the first 10 minutes, his average speed is 4 m/s, and he speeds up after that, and his average speed becomes 6 m/s, and he arrived school in another 20 minutes. What is his average speed in meters per minute for the trip?

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Bob rides a bike to school, within the first 10 minutes, his average speed is 4 m/s, and he speeds u...