When you ask "What number is halfway between 48 and 317?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=48 and Y=317.
To find the number halfway between 48 and 317, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 48 and 317 into our formula, we get:
(48 + 317)/2 = 182.5
Thus, the number halfway between 48 and 317 is 182.5.
To check that our answer is correct, we subtract 48 from 182.5 and subtract 182.5 from 317 and compare the two numbers:
182.5 - 48 = 134.5
317 - 182.5 = 134.5
As you can see, the halfway number is 134.5 higher than 48 and 134.5 lower than 317. Therefore, our halfway between answer of 182.5 above is correct.
Halfway Between
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Halfway Between 48 and 318
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