When you ask "What number is halfway between 3 and 147?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=3 and Y=147.
To find the number halfway between 3 and 147, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 3 and 147 into our formula, we get:
(3 + 147)/2 = 75
Thus, the number halfway between 3 and 147 is 75.
To check that our answer is correct, we subtract 3 from 75 and subtract 75 from 147 and compare the two numbers:
75 - 3 = 72
147 - 75 = 72
As you can see, the halfway number is 72 higher than 3 and 72 lower than 147. Therefore, our halfway between answer of 75 above is correct.
Halfway Between
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Halfway Between 3 and 148
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