Halfway Between 85 and 845

When you ask "What number is halfway between 85 and 845?" 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=845.

Halfway Between Line

To find the number halfway between 85 and 845, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 85 and 845 into our formula, we get:

(85 + 845)/2 = 465

Thus, the number halfway between 85 and 845 is 465.

To check that our answer is correct, we subtract 85 from 465 and subtract 465 from 845 and compare the two numbers:

465 - 85 = 380
845 - 465 = 380

As you can see, the halfway number is 380 higher than 85 and 380 lower than 845. Therefore, our halfway between answer of 465 above is correct.

Halfway Between
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Halfway Between 85 and 846
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