An airport offers two shuttles that run on different schedules.If both shuttles leave the airport at 4:00 p.m.,at what time will they next leave theairport together. Shuttle A leaves every 6 minutes Shuttle B leaves every 9 minutes
The common multiples of both 6 and 9 up to 60 (the number of minutes in an hour) are 18, 36 and 54. The shuttles will next leave the airport together at 4.18.
