When you ask "What number is halfway between 49 and 178?" 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=178.
To find the number halfway between 49 and 178, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 178 into our formula, we get:
(49 + 178)/2 = 113.5
Thus, the number halfway between 49 and 178 is 113.5.
To check that our answer is correct, we subtract 49 from 113.5 and subtract 113.5 from 178 and compare the two numbers:
113.5 - 49 = 64.5
178 - 113.5 = 64.5
As you can see, the halfway number is 64.5 higher than 49 and 64.5 lower than 178. Therefore, our halfway between answer of 113.5 above is correct.
Halfway Between
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Halfway Between 49 and 179
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