Halfway Between 85 and 700

When you ask "What number is halfway between 85 and 700?" 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=700.

Halfway Between Line

To find the number halfway between 85 and 700, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 85 and 700 into our formula, we get:

(85 + 700)/2 = 392.5

Thus, the number halfway between 85 and 700 is 392.5.

To check that our answer is correct, we subtract 85 from 392.5 and subtract 392.5 from 700 and compare the two numbers:

392.5 - 85 = 307.5
700 - 392.5 = 307.5

As you can see, the halfway number is 307.5 higher than 85 and 307.5 lower than 700. Therefore, our halfway between answer of 392.5 above is correct.

Halfway Between
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Halfway Between 85 and 701
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