When you ask "What number is halfway between 97 and 221?" 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=221.
To find the number halfway between 97 and 221, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 97 and 221 into our formula, we get:
(97 + 221)/2 = 159
Thus, the number halfway between 97 and 221 is 159.
To check that our answer is correct, we subtract 97 from 159 and subtract 159 from 221 and compare the two numbers:
159 - 97 = 62
221 - 159 = 62
As you can see, the halfway number is 62 higher than 97 and 62 lower than 221. Therefore, our halfway between answer of 159 above is correct.
Halfway Between
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Halfway Between 97 and 222
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