Three pigs entered a race around a track. Piggly takes 6 minutes to run one lap. Piglet takes 3 minutes to run one lap and it takes Wiggly 5 minutes to run one lap. If all three pigs begin the race at the same time, how many minutes will it take for all three pigs to be at the staring point again?

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  1. assuming
    (a) they all begin at the starting point
    (b) they all stop when they get back to the starting point

    then by the time the slowest pig gets back, the others will already (still) be there.

    So, 6 minutes.

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  2. 6 minutes because the slowest pig takes 6 minutes to complete one lap

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