When you ask "What number is halfway between 81 and 184?" 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=184.
To find the number halfway between 81 and 184, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 81 and 184 into our formula, we get:
(81 + 184)/2 = 132.5
Thus, the number halfway between 81 and 184 is 132.5.
To check that our answer is correct, we subtract 81 from 132.5 and subtract 132.5 from 184 and compare the two numbers:
132.5 - 81 = 51.5
184 - 132.5 = 51.5
As you can see, the halfway number is 51.5 higher than 81 and 51.5 lower than 184. Therefore, our halfway between answer of 132.5 above is correct.
Halfway Between
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Halfway Between 81 and 185
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