Halfway Between 80 and 780

When you ask "What number is halfway between 80 and 780?" 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=780.

Halfway Between Line

To find the number halfway between 80 and 780, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 80 and 780 into our formula, we get:

(80 + 780)/2 = 430

Thus, the number halfway between 80 and 780 is 430.

To check that our answer is correct, we subtract 80 from 430 and subtract 430 from 780 and compare the two numbers:

430 - 80 = 350
780 - 430 = 350

As you can see, the halfway number is 350 higher than 80 and 350 lower than 780. Therefore, our halfway between answer of 430 above is correct.

Halfway Between
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