Accepted Answer
Great question !The least common multiple of 8, 9, 12, and 15 is 360.The bells will coincide again after 360 minutes = 6 hours.That's 9:00 PM .
Great question !The least common multiple of 8, 9, 12, and 15 is 360.The bells will coincide again after 360 minutes = 6 hours.That's 9:00 PM .