Halfway Between 13 and 189

When you ask "What number is halfway between 13 and 189?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=13 and Y=189.

Halfway Between Line

To find the number halfway between 13 and 189, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 13 and 189 into our formula, we get:

(13 + 189)/2 = 101

Thus, the number halfway between 13 and 189 is 101.

To check that our answer is correct, we subtract 13 from 101 and subtract 101 from 189 and compare the two numbers:

101 - 13 = 88
189 - 101 = 88

As you can see, the halfway number is 88 higher than 13 and 88 lower than 189. Therefore, our halfway between answer of 101 above is correct.

Halfway Between
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Halfway Between 13 and 190
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