Halfway Between 55 and 515

When you ask "What number is halfway between 55 and 515?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=55 and Y=515.

Halfway Between Line

To find the number halfway between 55 and 515, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 55 and 515 into our formula, we get:

(55 + 515)/2 = 285

Thus, the number halfway between 55 and 515 is 285.

To check that our answer is correct, we subtract 55 from 285 and subtract 285 from 515 and compare the two numbers:

285 - 55 = 230
515 - 285 = 230

As you can see, the halfway number is 230 higher than 55 and 230 lower than 515. Therefore, our halfway between answer of 285 above is correct.

Halfway Between
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Halfway Between 55 and 516
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