When you ask "What number is halfway between 8 and 273?" 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=273.
To find the number halfway between 8 and 273, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 273 into our formula, we get:
(8 + 273)/2 = 140.5
Thus, the number halfway between 8 and 273 is 140.5.
To check that our answer is correct, we subtract 8 from 140.5 and subtract 140.5 from 273 and compare the two numbers:
140.5 - 8 = 132.5
273 - 140.5 = 132.5
As you can see, the halfway number is 132.5 higher than 8 and 132.5 lower than 273. Therefore, our halfway between answer of 140.5 above is correct.
Halfway Between
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Halfway Between 8 and 274
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