Posted by Ruth on Thursday, May 9, 2013 at 9:22am.
Two bike riders ride around a circular track, 1st rider completes one round in 12 minutes, the second rider completes a round in 16 minutes. If they start at the same time and fo in the same direction, how many turn before they meet at the same place again.

Math  Steve, Thursday, May 9, 2013 at 9:57am
LCM(12,16) = 48
so, 48/12=4 and 48/16=3 laps, respectively.

Math  Ruth, Thursday, May 9, 2013 at 10:28am
thank you so very much, it is really appreciated
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