how to understand "a" and "b"? 4) A number is divissssiiibbleeee? (Oops! Getting dizzy with all this testing) divisible by 5 when: a) It goes to school and realizes it’s Sunday. b) It goes to the laundry mat and drops its number, ending in half a dozen or zeros, or other digits. c) It goes to a party that ONLY allows numbers that end in 0 or 5. how to understand "ending in half a dozen or zeros, or other digits"?