Halfway Between 50 and 510

When you ask "What number is halfway between 50 and 510?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=50 and Y=510.

Halfway Between Line

To find the number halfway between 50 and 510, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 50 and 510 into our formula, we get:

(50 + 510)/2 = 280

Thus, the number halfway between 50 and 510 is 280.

To check that our answer is correct, we subtract 50 from 280 and subtract 280 from 510 and compare the two numbers:

280 - 50 = 230
510 - 280 = 230

As you can see, the halfway number is 230 higher than 50 and 230 lower than 510. Therefore, our halfway between answer of 280 above is correct.

Halfway Between
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Halfway Between 50 and 511
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