When you ask "What number is halfway between 8 and 127?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=8 and Y=127.
To find the number halfway between 8 and 127, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 127 into our formula, we get:
(8 + 127)/2 = 67.5
Thus, the number halfway between 8 and 127 is 67.5.
To check that our answer is correct, we subtract 8 from 67.5 and subtract 67.5 from 127 and compare the two numbers:
67.5 - 8 = 59.5
127 - 67.5 = 59.5
As you can see, the halfway number is 59.5 higher than 8 and 59.5 lower than 127. Therefore, our halfway between answer of 67.5 above is correct.
Halfway Between
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Halfway Between 8 and 128
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