
When you ask "What number is halfway between 30 and 465?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=30 and Y=465.

To find the number halfway between 30 and 465, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 30 and 465 into our formula, we get:
(30 + 465)/2 = 247.5
Thus, the number halfway between 30 and 465 is 247.5.
To check that our answer is correct, we subtract 30 from 247.5 and subtract 247.5 from 465 and compare the two numbers:
247.5 - 30 = 217.5
465 - 247.5 = 217.5
As you can see, the halfway number is 217.5 higher than 30 and 217.5 lower than 465. Therefore, our halfway between answer of 247.5 above is correct.
Halfway Between
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Halfway Between 30 and 466
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