Answer:Mathematical Expression for "Subtract N from 20" The correct mathematical expression representing "subtract N from 20" is: 20 - N Explanation - Subtracting N from 20 implies that N is being taken away from 20.- In mathematical notation, this is represented as 20 - N. Example: If N = 5, then 20 - N = 20 - 5 = 15.
Answer:The correct mathematical expression for "subtract N from 20" is:20 - N