Answer:
3 ≥ b
Step-by-step explanation:
32 + 4b ≥ 4(5b - 4)
32 + 4b ≥ 20b - 16
+16 +16
48 + 4b ≥ 20b
-4b -4b
48 ≥ 16b
48/16
16b/16