When you ask "What number is halfway between 8 and 497?" 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=497.
To find the number halfway between 8 and 497, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 497 into our formula, we get:
(8 + 497)/2 = 252.5
Thus, the number halfway between 8 and 497 is 252.5.
To check that our answer is correct, we subtract 8 from 252.5 and subtract 252.5 from 497 and compare the two numbers:
252.5 - 8 = 244.5
497 - 252.5 = 244.5
As you can see, the halfway number is 244.5 higher than 8 and 244.5 lower than 497. Therefore, our halfway between answer of 252.5 above is correct.
Halfway Between
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Halfway Between 8 and 498
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