
When you ask "What number is halfway between 30 and 841?" 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=841.

To find the number halfway between 30 and 841, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 30 and 841 into our formula, we get:
(30 + 841)/2 = 435.5
Thus, the number halfway between 30 and 841 is 435.5.
To check that our answer is correct, we subtract 30 from 435.5 and subtract 435.5 from 841 and compare the two numbers:
435.5 - 30 = 405.5
841 - 435.5 = 405.5
As you can see, the halfway number is 405.5 higher than 30 and 405.5 lower than 841. Therefore, our halfway between answer of 435.5 above is correct.
Halfway Between
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Halfway Between 30 and 842
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