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OpenStudy (anonymous):
A bell rings every 2 hours, a second bell rings every 3 hours, and a third bell rings every 4 hours. If all 3 bells ring at 9:00 AM. , at what time will all 3 bells next ring?
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OpenStudy (anonymous):
9pm You want to look for the least common multiple of the 3 numbers, which is 12. 9am+12hours = 9pm
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