Halfway Between 80 and 680

When you ask "What number is halfway between 80 and 680?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=80 and Y=680.

Halfway Between Line

To find the number halfway between 80 and 680, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 80 and 680 into our formula, we get:

(80 + 680)/2 = 380

Thus, the number halfway between 80 and 680 is 380.

To check that our answer is correct, we subtract 80 from 380 and subtract 380 from 680 and compare the two numbers:

380 - 80 = 300
680 - 380 = 300

As you can see, the halfway number is 300 higher than 80 and 300 lower than 680. Therefore, our halfway between answer of 380 above is correct.

Halfway Between
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