When you ask "What number is halfway between 8 and 220?" 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=220.
To find the number halfway between 8 and 220, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 220 into our formula, we get:
(8 + 220)/2 = 114
Thus, the number halfway between 8 and 220 is 114.
To check that our answer is correct, we subtract 8 from 114 and subtract 114 from 220 and compare the two numbers:
114 - 8 = 106
220 - 114 = 106
As you can see, the halfway number is 106 higher than 8 and 106 lower than 220. Therefore, our halfway between answer of 114 above is correct.
Halfway Between
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Halfway Between 8 and 221
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