When you ask "What number is halfway between 49 and 130?" 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=130.
To find the number halfway between 49 and 130, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 130 into our formula, we get:
(49 + 130)/2 = 89.5
Thus, the number halfway between 49 and 130 is 89.5.
To check that our answer is correct, we subtract 49 from 89.5 and subtract 89.5 from 130 and compare the two numbers:
89.5 - 49 = 40.5
130 - 89.5 = 40.5
As you can see, the halfway number is 40.5 higher than 49 and 40.5 lower than 130. Therefore, our halfway between answer of 89.5 above is correct.
Halfway Between
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Halfway Between 49 and 131
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