Halfway Between 85 and 513

When you ask "What number is halfway between 85 and 513?" 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=513.

Halfway Between Line

To find the number halfway between 85 and 513, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 85 and 513 into our formula, we get:

(85 + 513)/2 = 299

Thus, the number halfway between 85 and 513 is 299.

To check that our answer is correct, we subtract 85 from 299 and subtract 299 from 513 and compare the two numbers:

299 - 85 = 214
513 - 299 = 214

As you can see, the halfway number is 214 higher than 85 and 214 lower than 513. Therefore, our halfway between answer of 299 above is correct.

Halfway Between
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