
When you ask "What number is halfway between 2 and 43?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=2 and Y=43.

To find the number halfway between 2 and 43, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 2 and 43 into our formula, we get:
(2 + 43)/2 = 22.5
Thus, the number halfway between 2 and 43 is 22.5.
To check that our answer is correct, we subtract 2 from 22.5 and subtract 22.5 from 43 and compare the two numbers:
22.5 - 2 = 20.5
43 - 22.5 = 20.5
As you can see, the halfway number is 20.5 higher than 2 and 20.5 lower than 43. Therefore, our halfway between answer of 22.5 above is correct.
Halfway Between
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Halfway Between 2 and 44
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