When you ask "What number is halfway between 19 and 480?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=19 and Y=480.
To find the number halfway between 19 and 480, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 19 and 480 into our formula, we get:
(19 + 480)/2 = 249.5
Thus, the number halfway between 19 and 480 is 249.5.
To check that our answer is correct, we subtract 19 from 249.5 and subtract 249.5 from 480 and compare the two numbers:
249.5 - 19 = 230.5
480 - 249.5 = 230.5
As you can see, the halfway number is 230.5 higher than 19 and 230.5 lower than 480. Therefore, our halfway between answer of 249.5 above is correct.
Halfway Between
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Halfway Between 19 and 481
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