Plz help me get the right answer to these ASAP

b ≥ - 16
given [tex]\frac{1}{4}[/tex] b ≥ - 4
multiply both sides by 4 to eliminate the fraction
b ≥ - 16
Answer:
Step-by-step explanation:
[tex]\dfrac{1}{4}b\geq-4\qquad\text{multiply both sides by 4}\\\\4\!\!\!\!\diagup^1\cdot\dfrac{1}{4\!\!\!\!\diagup_1}b\geq(4)(-4)\\\\b\geq-16[/tex]