Halfway Between 9 and 25

When you ask "What number is halfway between 9 and 25?" 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=25.

Halfway Between Line

To find the number halfway between 9 and 25, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 9 and 25 into our formula, we get:

(9 + 25)/2 = 17

Thus, the number halfway between 9 and 25 is 17.

To check that our answer is correct, we subtract 9 from 17 and subtract 17 from 25 and compare the two numbers:

17 - 9 = 8
25 - 17 = 8

As you can see, the halfway number is 8 higher than 9 and 8 lower than 25. Therefore, our halfway between answer of 17 above is correct.

Halfway Between
Find halfway between two other numbers here!

Halfway Between 9 and 26
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