i) Plan A: 21/0,12 = 175 <min of calls>
Plan B: 15/0,14 ≈ 107 <min of calls>
=> 2 plans cost the same 107 min of calls
ii) The cost when 2 plans cost the same:
- Plan A: 107 × 0,12 = 12,84$ ≈ 13$
- Plan B: 107 × 0.14 ≈ 15$
Answer: i) 107 ii) A: 13$ B: 15$
Falls, rises
if it is the ONLY cable provider, then it is a monopoly
A. A> 8.3
Hope that helped
Step-by-step explanation:
14. e= -25
16. y=7
18. -k=500
20. w= -20
22. x=21
24. y=0
hope it helps.