When you ask "What number is halfway between 49 and 486?" 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=486.
To find the number halfway between 49 and 486, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 486 into our formula, we get:
(49 + 486)/2 = 267.5
Thus, the number halfway between 49 and 486 is 267.5.
To check that our answer is correct, we subtract 49 from 267.5 and subtract 267.5 from 486 and compare the two numbers:
267.5 - 49 = 218.5
486 - 267.5 = 218.5
As you can see, the halfway number is 218.5 higher than 49 and 218.5 lower than 486. Therefore, our halfway between answer of 267.5 above is correct.
Halfway Between
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Halfway Between 49 and 487
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