0
Wiki User
There is no distance between them.
19.5 is halfway between 18 and 21
42
37
21
Yes.
It is: (18+21)/2 = 19.5
Add 55 and 21, then divide by 2 = 38
(21 + 69)/2 = 90/2 = 45
(21+29)/2 = 50/2 = 25
seventeen 13 + 4 = 17 = 21 - 4
34