When you ask "What number is halfway between 49 and 520?" 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=520.
To find the number halfway between 49 and 520, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 520 into our formula, we get:
(49 + 520)/2 = 284.5
Thus, the number halfway between 49 and 520 is 284.5.
To check that our answer is correct, we subtract 49 from 284.5 and subtract 284.5 from 520 and compare the two numbers:
284.5 - 49 = 235.5
520 - 284.5 = 235.5
As you can see, the halfway number is 235.5 higher than 49 and 235.5 lower than 520. Therefore, our halfway between answer of 284.5 above is correct.
Halfway Between
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Halfway Between 49 and 521
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