18
19.5 is halfway between 18 and 21
Halfway between 18 and 28 is (18 + 28) ÷ 2 = 23.
It is 13.5 which is the value halfway between the two middle values 12 and 15.
No.
It is 13, the number halfway between the two middle numbers.
11.5
The number halfway between 18 and 60 is (18 + 60)/2 = 39.
(0 + 12)/2 = 6 this is different from halfway between 1 & 12 because of starting the range at 0
It is 20
36
It is: (-12+10)/2 = -1