73
Wiki User
∙ 11y ago115 is halfway between 80 and 150
Halfway between 30 and 80 is (30 + 80) ÷ 2 = 55.
(80 + 90) / 2 = 85Therefore, the number between 80 and 90 is 85.
It is: 70
It is: 50
80
It is: (20+80)/2 = 50
The numbers between 80 and 85 are 81, 82, 83, and 84. The number that is exactly halfway between 80 and 85 is 82.5
65
The halfway point between 70 and 80 is (70 + 80) ÷ 2 = 75
60(40+80)/2 = 60
(17 + 63)/2 = 80/2 = 40