(This is a little difficult but I've got it)
((x - 45)/12) + 20 = 5(32 - x)
(I made the equation a little more complex than I should have but that equation should still work if you were to solve for x)
If you pay $400 down, plus $80 for the next 12 months, that means you're paying (80*12)+400 which is equal to $1360. You're saving $100 by paying the entire total up front.
Yes, because of the AAA criteria.
Answer: your answer should be 0.51
Some people are saying it's 0.04 but that is the wrong answer.
Answer: the area for the square is 126.56cm²: