Question

Which expression represents four less than half a number, n? (show your work)

1. 4-1/2n
2. 1/2n-4
3. 1/2 (4-n)
4. 1/2 (n-4)

Answer 1

Answer: 2) 1/2n - 4

Detailed Explanation:

It represents 4 being subtracted from the half of n. It can also be further simplified to n/2 - 4

Answer 2

The answer is 1/2n-4

Multiplying a number n by 1/2 is the same as dividing that number by 2.