When you ask "What number is halfway between 49 and 307?" 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=307.
To find the number halfway between 49 and 307, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 307 into our formula, we get:
(49 + 307)/2 = 178
Thus, the number halfway between 49 and 307 is 178.
To check that our answer is correct, we subtract 49 from 178 and subtract 178 from 307 and compare the two numbers:
178 - 49 = 129
307 - 178 = 129
As you can see, the halfway number is 129 higher than 49 and 129 lower than 307. Therefore, our halfway between answer of 178 above is correct.
Halfway Between
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Halfway Between 49 and 308
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