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10 February, 20:41

A group of bike riders took a 4.0 hour trip. during the first 3.0 hours, they traveled a total of 50. kilometers, but during the last hour, they traveled only 10. kilometers. what was the group's average speed for the entire trip?

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  1. 10 February, 21:11
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    The average speed for the entire journey will be given by:

    average speed = (total distance) / (total time)

    total distance=50+10=60 km

    total time=4 hours

    thus

    average speed=60/4=15 km/hr
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