Halfway Between 90 and 490

When you ask "What number is halfway between 90 and 490?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=90 and Y=490.

Halfway Between Line

To find the number halfway between 90 and 490, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 90 and 490 into our formula, we get:

(90 + 490)/2 = 290

Thus, the number halfway between 90 and 490 is 290.

To check that our answer is correct, we subtract 90 from 290 and subtract 290 from 490 and compare the two numbers:

290 - 90 = 200
490 - 290 = 200

As you can see, the halfway number is 200 higher than 90 and 200 lower than 490. Therefore, our halfway between answer of 290 above is correct.

Halfway Between
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Halfway Between 90 and 491
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