First find the amount of each payment:

The total cost will be 40 payments plus service charges.

The percentage is the service charge divided by total cost:
Answer:
I believe your answer would be 1/6 :)
Step-by-step explanation:
Combine the like terms.
4x^4+3x^3-16x^2+27x-18
Answer:
99 Sorry if im wrong
Step-by-step explanation: