Halfway Between 85 and 855

When you ask "What number is halfway between 85 and 855?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=85 and Y=855.

Halfway Between Line

To find the number halfway between 85 and 855, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 85 and 855 into our formula, we get:

(85 + 855)/2 = 470

Thus, the number halfway between 85 and 855 is 470.

To check that our answer is correct, we subtract 85 from 470 and subtract 470 from 855 and compare the two numbers:

470 - 85 = 385
855 - 470 = 385

As you can see, the halfway number is 385 higher than 85 and 385 lower than 855. Therefore, our halfway between answer of 470 above is correct.

Halfway Between
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Halfway Between 85 and 856
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