Halfway between 30 and 80 is (30 + 80) ÷ 2 = 55.
Halfway between 10 and 15 is (10 + 15) ÷ 2 = 121/2
10 is the number halfway between -5 and 15.It is: 5
25
It is 35
Halfway between 30 and 80 is (30 + 80) ÷ 2 = 55.
Halfway between 10 and 15 is (10 + 15) ÷ 2 = 121/2
It is 23.5, which is the value halfway between the two middle values.
10 is the number halfway between -5 and 15.It is: 5
11.5 is halfway between 8 and 15
It is: 55
15
-5
It is 15
The halfway number is (15 + 129) /2 = 144/2 = 72
25
50