Final answer:
The correct expression for 'Sixteen more than three times a number K' is 16 + 3k.
Step-by-step explanation:
The correct expression for the given question 'Sixteen more than three times a number K' is option A) 16 + 3k.
To understand why, let's break down the question. 'Sixteen more' means adding 16 to something, and 'three times a number K' means multiplying K by 3. So the expression would be 3k, and then we add 16 to it. Therefore, the correct expression is 16 + 3k.