When you ask "What number is halfway between 8 and 247?" 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=247.
To find the number halfway between 8 and 247, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 247 into our formula, we get:
(8 + 247)/2 = 127.5
Thus, the number halfway between 8 and 247 is 127.5.
To check that our answer is correct, we subtract 8 from 127.5 and subtract 127.5 from 247 and compare the two numbers:
127.5 - 8 = 119.5
247 - 127.5 = 119.5
As you can see, the halfway number is 119.5 higher than 8 and 119.5 lower than 247. Therefore, our halfway between answer of 127.5 above is correct.
Halfway Between
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Halfway Between 8 and 248
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