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Mathematics

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Michelle rode her bicycle from her house to her school at an average speed of 8 miles per hour (mph). Later that day, she rode from school back home along the same route, at an average speed of 12 mph. If the round trip took her 1 hour, how many miles long is the round trip.

  • Mathematics - ,

    Her average speed is 10 miles per hour. (8 + 12 = 20 / 2 = 10 mph)

    Since her round trip is 1 hour, what do you think the distance of the round trip is?

  • Mathematics - ,

    9.8

  • Mathematics - ,

    *9.6

  • Mathematics - ,

    yeah, its 9.6

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