-(n/12)
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50 - 5 ÷ i
The algebraic expression for 11 minus the product of 5 and a number can be written as 11 - 5x, where 'x' represents the unknown number.
s - 20
k-2.5 An algebraic expression is just using variables (in this case, k) for unknown numbers. Since the question is asking what the number k minus 2.5 is, your answer is k-2.5.
n (number) minus four ----->n-4