When you ask "What number is halfway between 47 and 158?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=47 and Y=158.
To find the number halfway between 47 and 158, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 47 and 158 into our formula, we get:
(47 + 158)/2 = 102.5
Thus, the number halfway between 47 and 158 is 102.5.
To check that our answer is correct, we subtract 47 from 102.5 and subtract 102.5 from 158 and compare the two numbers:
102.5 - 47 = 55.5
158 - 102.5 = 55.5
As you can see, the halfway number is 55.5 higher than 47 and 55.5 lower than 158. Therefore, our halfway between answer of 102.5 above is correct.
Halfway Between
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Halfway Between 47 and 159
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