When you ask "What number is halfway between 17 and 297?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=17 and Y=297.
To find the number halfway between 17 and 297, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 17 and 297 into our formula, we get:
(17 + 297)/2 = 157
Thus, the number halfway between 17 and 297 is 157.
To check that our answer is correct, we subtract 17 from 157 and subtract 157 from 297 and compare the two numbers:
157 - 17 = 140
297 - 157 = 140
As you can see, the halfway number is 140 higher than 17 and 140 lower than 297. Therefore, our halfway between answer of 157 above is correct.
Halfway Between
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Halfway Between 17 and 298
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