Halfway Between 30 and 450

When you ask "What number is halfway between 30 and 450?" 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=450.

Halfway Between Line

To find the number halfway between 30 and 450, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 30 and 450 into our formula, we get:

(30 + 450)/2 = 240

Thus, the number halfway between 30 and 450 is 240.

To check that our answer is correct, we subtract 30 from 240 and subtract 240 from 450 and compare the two numbers:

240 - 30 = 210
450 - 240 = 210

As you can see, the halfway number is 210 higher than 30 and 210 lower than 450. Therefore, our halfway between answer of 240 above is correct.

Halfway Between
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Halfway Between 30 and 451
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