OK so if they ring at 6AM together then they would ring like this from now on:
ANSWER: they ring together next at 9:20
Bell 1: 6:25 Bell 2: 6:40
Bell 1: 6:50 Bell 2: 7:20
Bell 1: 7:15 Bell 2: 8:00
Bell 1: 7:40 Bell 2: 8:40
Bell 1: 8:05 Bell 2: 9:20
Bell 1: 8:30 Bell 2: 10:00
Bell 1: 8:55 Bell 2: 10:40
Bell 1: 9:20 Bell 2: 11:20
True, 15k and 3 is the same and greater than
The additive inverse is zero. The addtive inverse property states that any number added or subtracted to zero give the same number.
Examples:
0 + 3 = 3
1 - 0 = 1
-8 + 0 = -8
-3 - 0 = -3
0 + (-1) = -1