When you ask "What number is halfway between 49 and 156?" 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=156.
To find the number halfway between 49 and 156, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 49 and 156 into our formula, we get:
(49 + 156)/2 = 102.5
Thus, the number halfway between 49 and 156 is 102.5.
To check that our answer is correct, we subtract 49 from 102.5 and subtract 102.5 from 156 and compare the two numbers:
102.5 - 49 = 53.5
156 - 102.5 = 53.5
As you can see, the halfway number is 53.5 higher than 49 and 53.5 lower than 156. Therefore, our halfway between answer of 102.5 above is correct.
Halfway Between
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Halfway Between 49 and 157
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