When you ask "What number is halfway between 47 and 56?" 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=56.
To find the number halfway between 47 and 56, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 47 and 56 into our formula, we get:
(47 + 56)/2 = 51.5
Thus, the number halfway between 47 and 56 is 51.5.
To check that our answer is correct, we subtract 47 from 51.5 and subtract 51.5 from 56 and compare the two numbers:
51.5 - 47 = 4.5
56 - 51.5 = 4.5
As you can see, the halfway number is 4.5 higher than 47 and 4.5 lower than 56. Therefore, our halfway between answer of 51.5 above is correct.
Halfway Between
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Halfway Between 47 and 57
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