Halfway Between 89 and 145

When you ask "What number is halfway between 89 and 145?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=89 and Y=145.

Halfway Between Line

To find the number halfway between 89 and 145, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 89 and 145 into our formula, we get:

(89 + 145)/2 = 117

Thus, the number halfway between 89 and 145 is 117.

To check that our answer is correct, we subtract 89 from 117 and subtract 117 from 145 and compare the two numbers:

117 - 89 = 28
145 - 117 = 28

As you can see, the halfway number is 28 higher than 89 and 28 lower than 145. Therefore, our halfway between answer of 117 above is correct.

Halfway Between
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Halfway Between 89 and 146
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