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Posted by on Saturday, November 10, 2012 at 9:46pm.

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 - , Thursday, December 20, 2012 at 6:12pm

    3 1/2

  • math - , Wednesday, May 15, 2013 at 9:32pm

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

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