When you ask "What number is halfway between 8 and 493?" 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=493.
To find the number halfway between 8 and 493, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 493 into our formula, we get:
(8 + 493)/2 = 250.5
Thus, the number halfway between 8 and 493 is 250.5.
To check that our answer is correct, we subtract 8 from 250.5 and subtract 250.5 from 493 and compare the two numbers:
250.5 - 8 = 242.5
493 - 250.5 = 242.5
As you can see, the halfway number is 242.5 higher than 8 and 242.5 lower than 493. Therefore, our halfway between answer of 250.5 above is correct.
Halfway Between
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Halfway Between 8 and 494
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