0
Wiki User
26
Obie Bradtke ∙
[7 + (-19)]/2 = -12/2 = -6
The number halfway between 7 and 31 is 19.
It is 20, the number halfway between the two middle values.
22 is halfway between 19 and 25 because 19+3=22, and 22+3=25.
17.5
19
It is 15
15
It is: 27
-14.5