SOLUTION: Three bells toll at intervals of 12, 18,20 minutes respectively. If they start tolling together, after what time will they next toll together?
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Question 803172: Three bells toll at intervals of 12, 18,20 minutes respectively. If they start tolling together, after what time will they next toll together? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Three bells toll at intervals of 12, 18,20 minutes respectively. If they start tolling together, after what time will they next toll together?
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It's the # of minutes evenly divisible by 12, 18 & 20 --> LCM (Least Common Multiple)
= 180 minutes
