When you ask "What number is halfway between 64 and 497?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=64 and Y=497.
To find the number halfway between 64 and 497, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 64 and 497 into our formula, we get:
(64 + 497)/2 = 280.5
Thus, the number halfway between 64 and 497 is 280.5.
To check that our answer is correct, we subtract 64 from 280.5 and subtract 280.5 from 497 and compare the two numbers:
280.5 - 64 = 216.5
497 - 280.5 = 216.5
As you can see, the halfway number is 216.5 higher than 64 and 216.5 lower than 497. Therefore, our halfway between answer of 280.5 above is correct.
Halfway Between
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Halfway Between 64 and 498
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