Halfway Between 11 and 78

When you ask "What number is halfway between 11 and 78?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=11 and Y=78.

Halfway Between Line

To find the number halfway between 11 and 78, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 11 and 78 into our formula, we get:

(11 + 78)/2 = 44.5

Thus, the number halfway between 11 and 78 is 44.5.

To check that our answer is correct, we subtract 11 from 44.5 and subtract 44.5 from 78 and compare the two numbers:

44.5 - 11 = 33.5
78 - 44.5 = 33.5

As you can see, the halfway number is 33.5 higher than 11 and 33.5 lower than 78. Therefore, our halfway between answer of 44.5 above is correct.

Halfway Between
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Halfway Between 11 and 79
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