When you ask "What number is halfway between 0 and 17?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=0 and Y=17.
To find the number halfway between 0 and 17, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 0 and 17 into our formula, we get:
(0 + 17)/2 = 8.5
Thus, the number halfway between 0 and 17 is 8.5.
To check that our answer is correct, we subtract 0 from 8.5 and subtract 8.5 from 17 and compare the two numbers:
8.5 - 0 = 8.5
17 - 8.5 = 8.5
As you can see, the halfway number is 8.5 higher than 0 and 8.5 lower than 17. Therefore, our halfway between answer of 8.5 above is correct.
Halfway Between
Find halfway between two other numbers here!
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