Find all values of x satisfying the inequality 11 (leq) 4 – 3x (leq) 28

A.
5 (leq) x v 8 
B.
5 (leq) x (leq) 8 
C.
8 (leq) x (leq) 5 
D.
5
Correct Answer: Option C
Explanation
To solve 11 (leq) 4 – 3x (leq) 28
11 (leq) 4 – 3x also 4 3x (leq) 28
15 (leq) 3x (leq) 24 = 15 (geq) 3x – 3x (geq) 24
5 (geq) x, x (geq) 8
i.e. x (leq) 5
∴ 8 (leq) x (leq) 5