When you ask "What number is halfway between 14 and 81?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=14 and Y=81.
To find the number halfway between 14 and 81, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 14 and 81 into our formula, we get:
(14 + 81)/2 = 47.5
Thus, the number halfway between 14 and 81 is 47.5.
To check that our answer is correct, we subtract 14 from 47.5 and subtract 47.5 from 81 and compare the two numbers:
47.5 - 14 = 33.5
81 - 47.5 = 33.5
As you can see, the halfway number is 33.5 higher than 14 and 33.5 lower than 81. Therefore, our halfway between answer of 47.5 above is correct.
Halfway Between
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Halfway Between 14 and 82
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