Question

Which of the following expressions could be used to represent "three less than half a number"?

A. 3 - 1/2n
B. 1/2n - 3
C. 3n - 1/2
D. 1/2 - 3n

Answer 1

Answer:1/2n-3

Explanation:

because three less than half of a number means half minus three

Answer 2

B. 1/2n - 3

Explanation:

One way to get half a number is to multiply it by 1/2.

The phrase "a number less than an other number" often indicates subtraction.

`(1)/(2)n-3`