Halfway Between 9 and 590

When you ask "What number is halfway between 9 and 590?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=9 and Y=590.

Halfway Between Line

To find the number halfway between 9 and 590, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 9 and 590 into our formula, we get:

(9 + 590)/2 = 299.5

Thus, the number halfway between 9 and 590 is 299.5.

To check that our answer is correct, we subtract 9 from 299.5 and subtract 299.5 from 590 and compare the two numbers:

299.5 - 9 = 290.5
590 - 299.5 = 290.5

As you can see, the halfway number is 290.5 higher than 9 and 290.5 lower than 590. Therefore, our halfway between answer of 299.5 above is correct.

Halfway Between
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