if one bus leaves every 24 minutes and another every 20 minutes and they both leave at 9am when will the next leave at the same time
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heya mate, i hope this helps ya
24 = 6 · 4, 20 = 5 · 4
The least common multiple (LCM) of 24 and 20 is 120.
The next time they both leave at the same time is 120 minutes (2 hours) after 4:25, or 5:10.
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