15 <_ -k/4 -9

Question

I am confused how to solve this problem. Thanks

Answer 1

My answer is 96 <_ -k

Answer 2

I re did the problem and got

-d>_ 20

Answer 3

15 <= -k/4 + 9
6 <= -k/4
-24 >= k
or,
k <= -24

Just work it like an equation, remembering to switch directions whenever multiplying by a negative value.