.625
65
75 is an integer, not a fraction. As a decimal it is 75, exactly as in the question.
It is: 75
It is: 1.125
87.5
66
75
75
It is: 75
75
The halfway point between 70 and 80 is (70 + 80) ÷ 2 = 75
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.