The answer is c because all you are doing here is subbing the variable r for 5b.
Answer:x equals 4
Step-by-step explanation:
Answer:
22.67 containers.
Step-by-step explanation:
The number of cars washed is the average by the total hours worked:

Given that each car uses 1/3 tin of wax, the total containers is calculated as:

Hence, the car wash uses 22.67 containers of wax per day.