When you ask "What number is halfway between 7 and 798?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=7 and Y=798.
To find the number halfway between 7 and 798, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 7 and 798 into our formula, we get:
(7 + 798)/2 = 402.5
Thus, the number halfway between 7 and 798 is 402.5.
To check that our answer is correct, we subtract 7 from 402.5 and subtract 402.5 from 798 and compare the two numbers:
402.5 - 7 = 395.5
798 - 402.5 = 395.5
As you can see, the halfway number is 395.5 higher than 7 and 395.5 lower than 798. Therefore, our halfway between answer of 402.5 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 7 and 799
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