When you ask "What number is halfway between 49 and 82?" 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=82.
To find the number halfway between 49 and 82, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 82 into our formula, we get:
(49 + 82)/2 = 65.5
Thus, the number halfway between 49 and 82 is 65.5.
To check that our answer is correct, we subtract 49 from 65.5 and subtract 65.5 from 82 and compare the two numbers:
65.5 - 49 = 16.5
82 - 65.5 = 16.5
As you can see, the halfway number is 16.5 higher than 49 and 16.5 lower than 82. Therefore, our halfway between answer of 65.5 above is correct.
Halfway Between
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Halfway Between 49 and 83
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