Question

I feel like it’s either answer 2 or 4. i just don’t understand the -9 part

Answer 1

n < 27

Explanation:

let the number be n

`(1)/(3) n - 3 < 6 \\ add \: 3 \: to \: both \: sides \\ (1)/(3)n - 3 + 3 < 6 + 3 \\ (1)/(3) n < \\ 9 \\ multiply \: both \: sides \: by \: 3 \\ (1)/(3) n * 3< 9 * 3 \\ n < 27`