When you ask "What number is halfway between 0 and 128?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=0 and Y=128.
To find the number halfway between 0 and 128, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 0 and 128 into our formula, we get:
(0 + 128)/2 = 64
Thus, the number halfway between 0 and 128 is 64.
To check that our answer is correct, we subtract 0 from 64 and subtract 64 from 128 and compare the two numbers:
64 - 0 = 64
128 - 64 = 64
As you can see, the halfway number is 64 higher than 0 and 64 lower than 128. Therefore, our halfway between answer of 64 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 0 and 129
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