Question

Plz help me get the answer

Answer 1

b ≤ -15

Explanation:

`(-1)/(3)b\geq5\qquad\text{change the signs}\\\\(1)/(3)b\leq-5\qquad\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup^1\cdot(1)/(3\!\!\!\!\diagup_1)b\leq(3)(-5)\\\\b\leq-15`