When you ask "What number is halfway between 7 and 34?" 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=34.
To find the number halfway between 7 and 34, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 7 and 34 into our formula, we get:
(7 + 34)/2 = 20.5
Thus, the number halfway between 7 and 34 is 20.5.
To check that our answer is correct, we subtract 7 from 20.5 and subtract 20.5 from 34 and compare the two numbers:
20.5 - 7 = 13.5
34 - 20.5 = 13.5
As you can see, the halfway number is 13.5 higher than 7 and 13.5 lower than 34. Therefore, our halfway between answer of 20.5 above is correct.
Halfway Between
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Halfway Between 7 and 35
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