What is half the difference of a number and 17?

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Answer 1 · 2018-02-27T23:25:48

See a solution process below:

First, let's call "a number": $n$

Then, "the difference of a number and 17" can be written as:

$n - 17$

"Half" of this can be written as:

$1/2 xx (n - 17)$

Or

$1/2 * (n - 17)$

Or

$1/2(n - 17)$

Or

$(n - 17)/2$