When you ask "What number is halfway between 49 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=49 and Y=388.
To find the number halfway between 49 and 388, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 388 into our formula, we get:
(49 + 388)/2 = 218.5
Thus, the number halfway between 49 and 388 is 218.5.
To check that our answer is correct, we subtract 49 from 218.5 and subtract 218.5 from 388 and compare the two numbers:
218.5 - 49 = 169.5
388 - 218.5 = 169.5
As you can see, the halfway number is 169.5 higher than 49 and 169.5 lower than 388. Therefore, our halfway between answer of 218.5 above is correct.
Halfway Between
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Halfway Between 49 and 389
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