When you ask "What number is halfway between 49 and 316?" 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=316.
To find the number halfway between 49 and 316, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 316 into our formula, we get:
(49 + 316)/2 = 182.5
Thus, the number halfway between 49 and 316 is 182.5.
To check that our answer is correct, we subtract 49 from 182.5 and subtract 182.5 from 316 and compare the two numbers:
182.5 - 49 = 133.5
316 - 182.5 = 133.5
As you can see, the halfway number is 133.5 higher than 49 and 133.5 lower than 316. Therefore, our halfway between answer of 182.5 above is correct.
Halfway Between
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Halfway Between 49 and 317
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