When you ask "What number is halfway between 47 and 72?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=47 and Y=72.
To find the number halfway between 47 and 72, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 47 and 72 into our formula, we get:
(47 + 72)/2 = 59.5
Thus, the number halfway between 47 and 72 is 59.5.
To check that our answer is correct, we subtract 47 from 59.5 and subtract 59.5 from 72 and compare the two numbers:
59.5 - 47 = 12.5
72 - 59.5 = 12.5
As you can see, the halfway number is 12.5 higher than 47 and 12.5 lower than 72. Therefore, our halfway between answer of 59.5 above is correct.
Halfway Between
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Halfway Between 47 and 73
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