When you ask "What number is halfway between 7 and 669?" 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=669.
To find the number halfway between 7 and 669, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 7 and 669 into our formula, we get:
(7 + 669)/2 = 338
Thus, the number halfway between 7 and 669 is 338.
To check that our answer is correct, we subtract 7 from 338 and subtract 338 from 669 and compare the two numbers:
338 - 7 = 331
669 - 338 = 331
As you can see, the halfway number is 331 higher than 7 and 331 lower than 669. Therefore, our halfway between answer of 338 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 7 and 670
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