When you ask "What number is halfway between 69 and 146?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=69 and Y=146.
To find the number halfway between 69 and 146, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 69 and 146 into our formula, we get:
(69 + 146)/2 = 107.5
Thus, the number halfway between 69 and 146 is 107.5.
To check that our answer is correct, we subtract 69 from 107.5 and subtract 107.5 from 146 and compare the two numbers:
107.5 - 69 = 38.5
146 - 107.5 = 38.5
As you can see, the halfway number is 38.5 higher than 69 and 38.5 lower than 146. Therefore, our halfway between answer of 107.5 above is correct.
Halfway Between
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Halfway Between 69 and 147
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