When you ask "What number is halfway between 31 and 769?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=31 and Y=769.
To find the number halfway between 31 and 769, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 31 and 769 into our formula, we get:
(31 + 769)/2 = 400
Thus, the number halfway between 31 and 769 is 400.
To check that our answer is correct, we subtract 31 from 400 and subtract 400 from 769 and compare the two numbers:
400 - 31 = 369
769 - 400 = 369
As you can see, the halfway number is 369 higher than 31 and 369 lower than 769. Therefore, our halfway between answer of 400 above is correct.
Halfway Between
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Halfway Between 31 and 770
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