
When you ask "What number is halfway between 2 and 487?" 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=487.

To find the number halfway between 2 and 487, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 2 and 487 into our formula, we get:
(2 + 487)/2 = 244.5
Thus, the number halfway between 2 and 487 is 244.5.
To check that our answer is correct, we subtract 2 from 244.5 and subtract 244.5 from 487 and compare the two numbers:
244.5 - 2 = 242.5
487 - 244.5 = 242.5
As you can see, the halfway number is 242.5 higher than 2 and 242.5 lower than 487. Therefore, our halfway between answer of 244.5 above is correct.
Halfway Between
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Halfway Between 2 and 488
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