
When you ask "What number is halfway between 82 and 159?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=82 and Y=159.

To find the number halfway between 82 and 159, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 82 and 159 into our formula, we get:
(82 + 159)/2 = 120.5
Thus, the number halfway between 82 and 159 is 120.5.
To check that our answer is correct, we subtract 82 from 120.5 and subtract 120.5 from 159 and compare the two numbers:
120.5 - 82 = 38.5
159 - 120.5 = 38.5
As you can see, the halfway number is 38.5 higher than 82 and 38.5 lower than 159. Therefore, our halfway between answer of 120.5 above is correct.
Halfway Between
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Halfway Between 82 and 160
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