Answer:
13
Step-by-step explanation:
Mean would mean average, which in this case is
so your equation would look like
Next multiply both sides by to clear the fraction
to get
Subtract 69 from both sides
you get
Answer:
6
Step-by-step explanation:
<span>2x+12≥6
Subtract 12 from both sides
2x</span><span>≥-6
Divide 2 on both sides while flipping the inequality
Final Answer: x</span><span>≤-3</span>