When you ask "What number is halfway between 15 and 344?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=15 and Y=344.
To find the number halfway between 15 and 344, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 15 and 344 into our formula, we get:
(15 + 344)/2 = 179.5
Thus, the number halfway between 15 and 344 is 179.5.
To check that our answer is correct, we subtract 15 from 179.5 and subtract 179.5 from 344 and compare the two numbers:
179.5 - 15 = 164.5
344 - 179.5 = 164.5
As you can see, the halfway number is 164.5 higher than 15 and 164.5 lower than 344. Therefore, our halfway between answer of 179.5 above is correct.
Halfway Between
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Halfway Between 15 and 345
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