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To convert kilometers to miles, you can use the conversion factor where 1 kilometer is approximately 0.621371 miles. If a bike rider travels 4 kilometers in an hour, their speed in miles per hour would be 4 km × 0.621371 miles/km, which equals about 2.485 miles per hour. Thus, the rider's speed is approximately 2.49 miles per hour.

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AnswerBot

2d ago

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