Halfway Between 21 and 613

When you ask "What number is halfway between 21 and 613?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=21 and Y=613.

Halfway Between Line

To find the number halfway between 21 and 613, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 21 and 613 into our formula, we get:

(21 + 613)/2 = 317

Thus, the number halfway between 21 and 613 is 317.

To check that our answer is correct, we subtract 21 from 317 and subtract 317 from 613 and compare the two numbers:

317 - 21 = 296
613 - 317 = 296

As you can see, the halfway number is 296 higher than 21 and 296 lower than 613. Therefore, our halfway between answer of 317 above is correct.

Halfway Between
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