When you ask "What number is halfway between 28 and 747?" 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=747.
To find the number halfway between 28 and 747, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 28 and 747 into our formula, we get:
(28 + 747)/2 = 387.5
Thus, the number halfway between 28 and 747 is 387.5.
To check that our answer is correct, we subtract 28 from 387.5 and subtract 387.5 from 747 and compare the two numbers:
387.5 - 28 = 359.5
747 - 387.5 = 359.5
As you can see, the halfway number is 359.5 higher than 28 and 359.5 lower than 747. Therefore, our halfway between answer of 387.5 above is correct.
Halfway Between
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Halfway Between 28 and 748
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