10 is the number halfway between -5 and 15.It is: 5
10
-5
30
5 and 3/10
hi
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.
a number that is halfway between 0 and 5 is 2.5.
5
4.5
0.95
5