When you ask "What number is halfway between 81 and 271?" 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=271.
To find the number halfway between 81 and 271, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 81 and 271 into our formula, we get:
(81 + 271)/2 = 176
Thus, the number halfway between 81 and 271 is 176.
To check that our answer is correct, we subtract 81 from 176 and subtract 176 from 271 and compare the two numbers:
176 - 81 = 95
271 - 176 = 95
As you can see, the halfway number is 95 higher than 81 and 95 lower than 271. Therefore, our halfway between answer of 176 above is correct.
Halfway Between
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Halfway Between 81 and 272
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