Halfway Between 80 and 178

When you ask "What number is halfway between 80 and 178?" 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=178.

Halfway Between Line

To find the number halfway between 80 and 178, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 80 and 178 into our formula, we get:

(80 + 178)/2 = 129

Thus, the number halfway between 80 and 178 is 129.

To check that our answer is correct, we subtract 80 from 129 and subtract 129 from 178 and compare the two numbers:

129 - 80 = 49
178 - 129 = 49

As you can see, the halfway number is 49 higher than 80 and 49 lower than 178. Therefore, our halfway between answer of 129 above is correct.

Halfway Between
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Halfway Between 80 and 179
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