Halfway Between 55 and 425

When you ask "What number is halfway between 55 and 425?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=55 and Y=425.

Halfway Between Line

To find the number halfway between 55 and 425, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 55 and 425 into our formula, we get:

(55 + 425)/2 = 240

Thus, the number halfway between 55 and 425 is 240.

To check that our answer is correct, we subtract 55 from 240 and subtract 240 from 425 and compare the two numbers:

240 - 55 = 185
425 - 240 = 185

As you can see, the halfway number is 185 higher than 55 and 185 lower than 425. Therefore, our halfway between answer of 240 above is correct.

Halfway Between
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Halfway Between 55 and 426
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