When you ask "What number is halfway between 7 and 197?" 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=197.
To find the number halfway between 7 and 197, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 7 and 197 into our formula, we get:
(7 + 197)/2 = 102
Thus, the number halfway between 7 and 197 is 102.
To check that our answer is correct, we subtract 7 from 102 and subtract 102 from 197 and compare the two numbers:
102 - 7 = 95
197 - 102 = 95
As you can see, the halfway number is 95 higher than 7 and 95 lower than 197. Therefore, our halfway between answer of 102 above is correct.
Halfway Between
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Halfway Between 7 and 198
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