When you ask "What number is halfway between 49 and 872?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=49 and Y=872.
To find the number halfway between 49 and 872, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 872 into our formula, we get:
(49 + 872)/2 = 460.5
Thus, the number halfway between 49 and 872 is 460.5.
To check that our answer is correct, we subtract 49 from 460.5 and subtract 460.5 from 872 and compare the two numbers:
460.5 - 49 = 411.5
872 - 460.5 = 411.5
As you can see, the halfway number is 411.5 higher than 49 and 411.5 lower than 872. Therefore, our halfway between answer of 460.5 above is correct.
Halfway Between
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Halfway Between 49 and 873
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