When you ask "What number is halfway between 49 and 117?" 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=117.
To find the number halfway between 49 and 117, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 117 into our formula, we get:
(49 + 117)/2 = 83
Thus, the number halfway between 49 and 117 is 83.
To check that our answer is correct, we subtract 49 from 83 and subtract 83 from 117 and compare the two numbers:
83 - 49 = 34
117 - 83 = 34
As you can see, the halfway number is 34 higher than 49 and 34 lower than 117. Therefore, our halfway between answer of 83 above is correct.
Halfway Between
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Halfway Between 49 and 118
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