When you ask "What number is halfway between 7 and 493?" 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=493.
To find the number halfway between 7 and 493, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 7 and 493 into our formula, we get:
(7 + 493)/2 = 250
Thus, the number halfway between 7 and 493 is 250.
To check that our answer is correct, we subtract 7 from 250 and subtract 250 from 493 and compare the two numbers:
250 - 7 = 243
493 - 250 = 243
As you can see, the halfway number is 243 higher than 7 and 243 lower than 493. Therefore, our halfway between answer of 250 above is correct.
Halfway Between
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Halfway Between 7 and 494
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