Answer:
13/13.3 or 10
Step-by-step explanation:
You said she paid $10 to join, if she spent at least $40, then we subtract 10, then divide 30 by 3 then you would get 10.
If we don't have to subtract and she spent around $40 on only books, it would be 13/13.3
The answer to your question would be 90.35. Have a good day!
Answer: What does the X equal, or the X has no value?
Step-by-step explanation: I will edit my answer.
A.) C = kpm
b.) 65,550 = k * 115 * 3800 = 437,000k
k = 65,550/437,000 = 0.15
c.) C = 0.15 * 84 * 3500 = $44,100