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math

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Two race cars are speeding around the racetrack at different speeds. One goes around the track in 2 minutes; the other goes around the track in 11/2 minutes. How often does the faster car pass the slower car?

  • math - ,

    3 1/2

  • math - ,

    Every six minutes. Six is the LCM (lowest common multiple) of 2 and 1.5.

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