When you ask "What number is halfway between 28 and 589?" 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=589.
To find the number halfway between 28 and 589, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 28 and 589 into our formula, we get:
(28 + 589)/2 = 308.5
Thus, the number halfway between 28 and 589 is 308.5.
To check that our answer is correct, we subtract 28 from 308.5 and subtract 308.5 from 589 and compare the two numbers:
308.5 - 28 = 280.5
589 - 308.5 = 280.5
As you can see, the halfway number is 280.5 higher than 28 and 280.5 lower than 589. Therefore, our halfway between answer of 308.5 above is correct.
Halfway Between
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Halfway Between 28 and 590
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