Answer:
b < 1
Step-by-step explanation:
Given
15(b + 3) < 6(b + 9) ← distribute parenthesis on both sides
15b + 45 < 6b + 54 ( subtract 6b from both sides )
9b + 45 < 54 ( subtract 45 from both sides )
9b < 9 ( divide both sides by 9 )
