When you ask "What number is halfway between 1 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=1 and Y=388.
To find the number halfway between 1 and 388, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 1 and 388 into our formula, we get:
(1 + 388)/2 = 194.5
Thus, the number halfway between 1 and 388 is 194.5.
To check that our answer is correct, we subtract 1 from 194.5 and subtract 194.5 from 388 and compare the two numbers:
194.5 - 1 = 193.5
388 - 194.5 = 193.5
As you can see, the halfway number is 193.5 higher than 1 and 193.5 lower than 388. Therefore, our halfway between answer of 194.5 above is correct.
Halfway Between
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Halfway Between 1 and 389
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