When you ask "What number is halfway between 49 and 256?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=49 and Y=256.
To find the number halfway between 49 and 256, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 256 into our formula, we get:
(49 + 256)/2 = 152.5
Thus, the number halfway between 49 and 256 is 152.5.
To check that our answer is correct, we subtract 49 from 152.5 and subtract 152.5 from 256 and compare the two numbers:
152.5 - 49 = 103.5
256 - 152.5 = 103.5
As you can see, the halfway number is 103.5 higher than 49 and 103.5 lower than 256. Therefore, our halfway between answer of 152.5 above is correct.
Halfway Between
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Halfway Between 49 and 257
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