Answer:
x = - 4
Step-by-step explanation:
Answer:
The answert is "$0.007 / bottle".
Step-by-step explanation:
Please find the complete question in the attachment file.

The average income:

The change rate on the average revenue:

when 81 bottles were produced
, then the rate of change in average revenue
The average income is decreasing at rate = $0.007 / bottle
Total tickets: 7
Popcorn costs: $5
total cost: $54
7x + 5 = 54
- 5 -5
7x = 49
49/7 = 7
Final Answer: x=7
Step One: 150 Pages ÷ 15 Pages = 10
Step Two: 10 × 2 = 20 Hours
Answer: Amanda read the book in 20 hours.
Answer:
20%
Step-by-step explanation: