When you ask "What number is halfway between 3 and 249?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=3 and Y=249.
To find the number halfway between 3 and 249, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 3 and 249 into our formula, we get:
(3 + 249)/2 = 126
Thus, the number halfway between 3 and 249 is 126.
To check that our answer is correct, we subtract 3 from 126 and subtract 126 from 249 and compare the two numbers:
126 - 3 = 123
249 - 126 = 123
As you can see, the halfway number is 123 higher than 3 and 123 lower than 249. Therefore, our halfway between answer of 126 above is correct.
Halfway Between
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Halfway Between 3 and 250
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