When you ask "What number is halfway between 8 and 197?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=8 and Y=197.
To find the number halfway between 8 and 197, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 197 into our formula, we get:
(8 + 197)/2 = 102.5
Thus, the number halfway between 8 and 197 is 102.5.
To check that our answer is correct, we subtract 8 from 102.5 and subtract 102.5 from 197 and compare the two numbers:
102.5 - 8 = 94.5
197 - 102.5 = 94.5
As you can see, the halfway number is 94.5 higher than 8 and 94.5 lower than 197. Therefore, our halfway between answer of 102.5 above is correct.
Halfway Between
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Halfway Between 8 and 198
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