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12 December, 02:43

Joey, Chloe and Haddie are driving go-carts around a track. Joey takes 14 minutes, Chloe takes 12 minutes and Haddie takes 10 minutes to drive one lap. Suppose all three left the starting line at 8:15AM and drove at a constant speed. At what time will all three meet again?

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  1. 12 December, 05:47
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    3:15PM

    The LCM of 10 12 and 14 is 420

    420:60=7

    7 Hours after 8:15AM is 3:15PM

    The LCM (Least Common Multiple) of two numbers is the smallest number that is a multiple of both.
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