When you ask "What number is halfway between 8 and 677?" 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=677.
To find the number halfway between 8 and 677, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 677 into our formula, we get:
(8 + 677)/2 = 342.5
Thus, the number halfway between 8 and 677 is 342.5.
To check that our answer is correct, we subtract 8 from 342.5 and subtract 342.5 from 677 and compare the two numbers:
342.5 - 8 = 334.5
677 - 342.5 = 334.5
As you can see, the halfway number is 334.5 higher than 8 and 334.5 lower than 677. Therefore, our halfway between answer of 342.5 above is correct.
Halfway Between
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Halfway Between 8 and 678
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