When you ask "What number is halfway between 83 and 790?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=83 and Y=790.
To find the number halfway between 83 and 790, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 83 and 790 into our formula, we get:
(83 + 790)/2 = 436.5
Thus, the number halfway between 83 and 790 is 436.5.
To check that our answer is correct, we subtract 83 from 436.5 and subtract 436.5 from 790 and compare the two numbers:
436.5 - 83 = 353.5
790 - 436.5 = 353.5
As you can see, the halfway number is 353.5 higher than 83 and 353.5 lower than 790. Therefore, our halfway between answer of 436.5 above is correct.
Halfway Between
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Halfway Between 83 and 791
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