It is 15, the number halfway between the two middle numbers.
11.5 is halfway between 8 and 15
It is 13.5 which is the value halfway between the two middle values 12 and 15.
14.5
It is 15
It is 15.5, the value halfway between the two middle numbers.
53 is halfway between 16 and 90.You calculate this as (16 + 90) / 2.
Halfway between 10 and 15 is (10 + 15) ÷ 2 = 121/2
It is 15, the number halfway between the two middle numbers.
10 is the number halfway between -5 and 15.It is: 5
11.5 is halfway between 8 and 15
It is 13.5 which is the value halfway between the two middle values 12 and 15.
17.5
14.5
The halfway number is (15 + 129) /2 = 144/2 = 72
15
-5