When you ask "What number is halfway between 69 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=69 and Y=670.
To find the number halfway between 69 and 670, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 69 and 670 into our formula, we get:
(69 + 670)/2 = 369.5
Thus, the number halfway between 69 and 670 is 369.5.
To check that our answer is correct, we subtract 69 from 369.5 and subtract 369.5 from 670 and compare the two numbers:
369.5 - 69 = 300.5
670 - 369.5 = 300.5
As you can see, the halfway number is 300.5 higher than 69 and 300.5 lower than 670. Therefore, our halfway between answer of 369.5 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 69 and 671
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