
When you ask "What number is halfway between 81 and 301?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=81 and Y=301.

To find the number halfway between 81 and 301, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 81 and 301 into our formula, we get:
(81 + 301)/2 = 191
Thus, the number halfway between 81 and 301 is 191.
To check that our answer is correct, we subtract 81 from 191 and subtract 191 from 301 and compare the two numbers:
191 - 81 = 110
301 - 191 = 110
As you can see, the halfway number is 110 higher than 81 and 110 lower than 301. Therefore, our halfway between answer of 191 above is correct.
Halfway Between
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Halfway Between 81 and 302
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