Halfway Between 15 and 505

When you ask "What number is halfway between 15 and 505?" 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=505.

Halfway Between Line

To find the number halfway between 15 and 505, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 15 and 505 into our formula, we get:

(15 + 505)/2 = 260

Thus, the number halfway between 15 and 505 is 260.

To check that our answer is correct, we subtract 15 from 260 and subtract 260 from 505 and compare the two numbers:

260 - 15 = 245
505 - 260 = 245

As you can see, the halfway number is 245 higher than 15 and 245 lower than 505. Therefore, our halfway between answer of 260 above is correct.

Halfway Between
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Halfway Between 15 and 506
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