When you ask "What number is halfway between 47 and 388?" 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=388.
To find the number halfway between 47 and 388, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 47 and 388 into our formula, we get:
(47 + 388)/2 = 217.5
Thus, the number halfway between 47 and 388 is 217.5.
To check that our answer is correct, we subtract 47 from 217.5 and subtract 217.5 from 388 and compare the two numbers:
217.5 - 47 = 170.5
388 - 217.5 = 170.5
As you can see, the halfway number is 170.5 higher than 47 and 170.5 lower than 388. Therefore, our halfway between answer of 217.5 above is correct.
Halfway Between
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Halfway Between 47 and 389
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