Halfway Between 80 and 778

When you ask "What number is halfway between 80 and 778?" 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=778.

Halfway Between Line

To find the number halfway between 80 and 778, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 80 and 778 into our formula, we get:

(80 + 778)/2 = 429

Thus, the number halfway between 80 and 778 is 429.

To check that our answer is correct, we subtract 80 from 429 and subtract 429 from 778 and compare the two numbers:

429 - 80 = 349
778 - 429 = 349

As you can see, the halfway number is 349 higher than 80 and 349 lower than 778. Therefore, our halfway between answer of 429 above is correct.

Halfway Between
Find halfway between two other numbers here!

Halfway Between 80 and 779
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