When you ask "What number is halfway between 7 and 146?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=7 and Y=146.
To find the number halfway between 7 and 146, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 7 and 146 into our formula, we get:
(7 + 146)/2 = 76.5
Thus, the number halfway between 7 and 146 is 76.5.
To check that our answer is correct, we subtract 7 from 76.5 and subtract 76.5 from 146 and compare the two numbers:
76.5 - 7 = 69.5
146 - 76.5 = 69.5
As you can see, the halfway number is 69.5 higher than 7 and 69.5 lower than 146. Therefore, our halfway between answer of 76.5 above is correct.
Halfway Between
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Halfway Between 7 and 147
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