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Airport offers 2 shuttles that run on different schedules.if they both leave airport at 4:00 p.m. what time will they next leave the airport together, one departs every 6 min and the other every 9 min

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texaschic101
 basically have to find the lowest common multiply of 6 and 9.

The LCM of 6 minutes and 9 minutes = 18 minutes

so if they both leave at 4:00 p.m., they would then both leave at 4:18 p.m.

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