When you ask "What number is halfway between 97 and 257?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=97 and Y=257.
To find the number halfway between 97 and 257, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 97 and 257 into our formula, we get:
(97 + 257)/2 = 177
Thus, the number halfway between 97 and 257 is 177.
To check that our answer is correct, we subtract 97 from 177 and subtract 177 from 257 and compare the two numbers:
177 - 97 = 80
257 - 177 = 80
As you can see, the halfway number is 80 higher than 97 and 80 lower than 257. Therefore, our halfway between answer of 177 above is correct.
Halfway Between
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Halfway Between 97 and 258
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