It is: 75
87.5
66
75
75
It is: 75
75
Halfway between 10 and 15 is (10 + 15) ÷ 2 = 121/2
The halfway point between 70 and 80 is (70 + 80) ÷ 2 = 75
.625
The distance between 1 and .5 is (1 - .5)/2 which is .25. Add that to .5 to get the number halfway between the points: .5 + .25 = .75.So the point halfway between is .75 or 3/4.
10 is the number halfway between -5 and 15.It is: 5