When you ask "What number is halfway between 28 and 493?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=28 and Y=493.
To find the number halfway between 28 and 493, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 28 and 493 into our formula, we get:
(28 + 493)/2 = 260.5
Thus, the number halfway between 28 and 493 is 260.5.
To check that our answer is correct, we subtract 28 from 260.5 and subtract 260.5 from 493 and compare the two numbers:
260.5 - 28 = 232.5
493 - 260.5 = 232.5
As you can see, the halfway number is 232.5 higher than 28 and 232.5 lower than 493. Therefore, our halfway between answer of 260.5 above is correct.
Halfway Between
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Halfway Between 28 and 494
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