When you ask "What number is halfway between 49 and 828?" 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=828.
To find the number halfway between 49 and 828, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 828 into our formula, we get:
(49 + 828)/2 = 438.5
Thus, the number halfway between 49 and 828 is 438.5.
To check that our answer is correct, we subtract 49 from 438.5 and subtract 438.5 from 828 and compare the two numbers:
438.5 - 49 = 389.5
828 - 438.5 = 389.5
As you can see, the halfway number is 389.5 higher than 49 and 389.5 lower than 828. Therefore, our halfway between answer of 438.5 above is correct.
Halfway Between
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Halfway Between 49 and 829
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