Halfway Between 30 and 110

When you ask "What number is halfway between 30 and 110?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=30 and Y=110.

Halfway Between Line

To find the number halfway between 30 and 110, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 30 and 110 into our formula, we get:

(30 + 110)/2 = 70

Thus, the number halfway between 30 and 110 is 70.

To check that our answer is correct, we subtract 30 from 70 and subtract 70 from 110 and compare the two numbers:

70 - 30 = 40
110 - 70 = 40

As you can see, the halfway number is 40 higher than 30 and 40 lower than 110. Therefore, our halfway between answer of 70 above is correct.

Halfway Between
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Halfway Between 30 and 111
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