When you ask "What number is halfway between 8 and 670?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=8 and Y=670.
To find the number halfway between 8 and 670, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 670 into our formula, we get:
(8 + 670)/2 = 339
Thus, the number halfway between 8 and 670 is 339.
To check that our answer is correct, we subtract 8 from 339 and subtract 339 from 670 and compare the two numbers:
339 - 8 = 331
670 - 339 = 331
As you can see, the halfway number is 331 higher than 8 and 331 lower than 670. Therefore, our halfway between answer of 339 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 8 and 671
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