X > 6
→ 6X < 66
→ 6 x 7 < 66
→ 42 < 66 (Correct)
X > 11
→ 6 x 12 < 66
→ 72 < 66 (Incorrect)
X = 11
→ 6 x 11 < 66
→ 66 < 66 (Incorrect)
ANSWER:
