When you ask "What number is halfway between 7 and 847?" 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=847.
To find the number halfway between 7 and 847, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 7 and 847 into our formula, we get:
(7 + 847)/2 = 427
Thus, the number halfway between 7 and 847 is 427.
To check that our answer is correct, we subtract 7 from 427 and subtract 427 from 847 and compare the two numbers:
427 - 7 = 420
847 - 427 = 420
As you can see, the halfway number is 420 higher than 7 and 420 lower than 847. Therefore, our halfway between answer of 427 above is correct.
Halfway Between
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Halfway Between 7 and 848
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