When you ask "What number is halfway between 10 and 49?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=10 and Y=49.
To find the number halfway between 10 and 49, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 10 and 49 into our formula, we get:
(10 + 49)/2 = 29.5
Thus, the number halfway between 10 and 49 is 29.5.
To check that our answer is correct, we subtract 10 from 29.5 and subtract 29.5 from 49 and compare the two numbers:
29.5 - 10 = 19.5
49 - 29.5 = 19.5
As you can see, the halfway number is 19.5 higher than 10 and 19.5 lower than 49. Therefore, our halfway between answer of 29.5 above is correct.
Halfway Between
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Halfway Between 10 and 50
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