d - 2.5
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To write "25 less than a number" as an algebraic expression, you would represent the unknown number as a variable, such as "x." Therefore, the algebraic expression would be written as "x - 25." This expression indicates that you are subtracting 25 from the unknown number represented by "x."
25
25 * (n - 16) 25(n - 16)
It is: (90-25)-25 = 40
25