Three ice skaters in Pyeongchang take 28 seconds, 44 seconds and 68 seconds to complete a lap of the ice skating rink course. If they start together, how long will it be before they are side to side at the starting ine again?
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LCM of 28,44and 68=5236
5236 seconds= 86 minutes
5236 seconds= 86 minutes
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