Question 1048657
A taxi, a bus, and a limousine travel around the clock from the Holiday Inn to the Gulf Coast.  A bus leaves every 40 minute, a taxi leaves every 15 minutes, and a limousine leaves every 28 minutes. Suppose each of these vehicles leaves the Holiday Inn at noon on Monday.  At which time will they leave the Holiday Inn together again?
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It's the LCM of the 3 times.
Add that to noon.