Halfway Between 5 and 521

When you ask "What number is halfway between 5 and 521?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=5 and Y=521.

Halfway Between Line

To find the number halfway between 5 and 521, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 5 and 521 into our formula, we get:

(5 + 521)/2 = 263

Thus, the number halfway between 5 and 521 is 263.

To check that our answer is correct, we subtract 5 from 263 and subtract 263 from 521 and compare the two numbers:

263 - 5 = 258
521 - 263 = 258

As you can see, the halfway number is 258 higher than 5 and 258 lower than 521. Therefore, our halfway between answer of 263 above is correct.

Halfway Between
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Halfway Between 5 and 522
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