Halfway Between 100 and 218

When you ask "What number is halfway between 100 and 218?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=100 and Y=218.

Halfway Between Line

To find the number halfway between 100 and 218, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 100 and 218 into our formula, we get:

(100 + 218)/2 = 159

Thus, the number halfway between 100 and 218 is 159.

To check that our answer is correct, we subtract 100 from 159 and subtract 159 from 218 and compare the two numbers:

159 - 100 = 59
218 - 159 = 59

As you can see, the halfway number is 59 higher than 100 and 59 lower than 218. Therefore, our halfway between answer of 159 above is correct.

Halfway Between
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Halfway Between 100 and 219
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