Halfway Between 10 and 420

When you ask "What number is halfway between 10 and 420?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=10 and Y=420.

Halfway Between Line

To find the number halfway between 10 and 420, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 10 and 420 into our formula, we get:

(10 + 420)/2 = 215

Thus, the number halfway between 10 and 420 is 215.

To check that our answer is correct, we subtract 10 from 215 and subtract 215 from 420 and compare the two numbers:

215 - 10 = 205
420 - 215 = 205

As you can see, the halfway number is 205 higher than 10 and 205 lower than 420. Therefore, our halfway between answer of 215 above is correct.

Halfway Between
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Halfway Between 10 and 421
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